From 04c89022a2f402d1617dfbee1550f015602ca4f7 Mon Sep 17 00:00:00 2001 From: Ruslan Ermilov Date: Wed, 29 Mar 2000 14:01:46 +0000 Subject: [PATCH] Merge from vendor branch. PR: 17431 Obtained from: ftp://elsie.nci.nih.gov/pub/tzdata2000d.tar.gz --- share/zoneinfo/africa | 67 ++- share/zoneinfo/asia | 257 ++++++--- share/zoneinfo/australasia | 460 ++++++++++------ share/zoneinfo/europe | 1035 +++++++++-------------------------- share/zoneinfo/leapseconds | 6 +- share/zoneinfo/northamerica | 232 +++++--- share/zoneinfo/southamerica | 344 ++++++------ share/zoneinfo/zone.tab | 38 +- 8 files changed, 1137 insertions(+), 1302 deletions(-) diff --git a/share/zoneinfo/africa b/share/zoneinfo/africa index 2585a7912aec..c9d3cd0b88d8 100644 --- a/share/zoneinfo/africa +++ b/share/zoneinfo/africa @@ -1,16 +1,17 @@ -# @(#)africa 7.26 +# @(#)africa 7.33 +# $FreeBSD$ # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to # tz@elsie.nci.nih.gov for general use in the future). -# From Paul Eggert (1997-10-05): +# From Paul Eggert (1999-03-22): # # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (4th edition), -# San Diego: ACS Publications, Inc. (1995). +# Thomas G. Shanks, The International Atlas (5th edition), +# San Diego: ACS Publications, Inc. (1999). # -# Gwillim Law writes that a good source +# Gwillim Law writes that a good source # for recent time zone data is the International Air Transport # Association's Standard Schedules Information Manual (IATA SSIM), # published semiannually. Law sent in several helpful summaries @@ -24,8 +25,7 @@ # I found in the UCLA library. # # A reliable and entertaining source about time zones is -# Derek Howse, Greenwich time and the discovery of the longitude, -# Oxford University Press (1980). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # # Previous editions of this database used WAT, CAT, SAT, and EAT # for +0:00 through +3:00, respectively, @@ -208,7 +208,7 @@ Rule Egypt 1989 only - May 6 1:00 1:00 S Rule Egypt 1990 1994 - May 1 1:00 1:00 S # IATA (after 1990) says transitions are at 0:00. # Go with IATA starting in 1995, except correct 1995 entry from 09-30 to 09-29. -Rule Egypt 1995 max - Apr Fri>=22 0:00s 1:00 S +Rule Egypt 1995 max - Apr lastFri 0:00s 1:00 S Rule Egypt 1995 max - Sep lastThu 23:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -295,8 +295,6 @@ Zone Africa/Maseru 1:50:00 - LMT 1903 Mar # Shanks reports the date as May 1, whereas Howse reports Jan; go with Shanks. # For Liberia before 1972, Shanks reports -0:44, whereas Howse and Whitman # each report -0:44:30; go with the more precise figure. -# -# From Shanks, as corrected by Whitman: # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Monrovia -0:43:08 - LMT 1882 -0:43:08 - MMT 1919 Mar # Monrovia Mean Time @@ -321,18 +319,16 @@ Rule Libya 1986 only - Apr 4 0:00 1:00 S Rule Libya 1986 only - Oct 3 0:00 0 - Rule Libya 1987 1989 - Apr 1 0:00 1:00 S Rule Libya 1987 1990 - Oct 1 0:00 0 - -Rule Libya 1990 only - May 4 0:00 1:00 S -Rule Libya 1996 only - Mar 30 2:00s 1:00 S -Rule Libya 1996 only - Sep 30 2:00s 0 - -Rule Libya 1997 only - Apr 4 0:00 1:00 S -Rule Libya 1997 only - Oct 4 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Tripoli 0:52:44 - LMT 1920 1:00 Libya CE%sT 1959 2:00 - EET 1982 - 1:00 Libya CE%sT 1991 - 2:00 - EET 1996 Mar 30 3:00 - 1:00 Libya CE%sT 1997 Oct 4 0:00 + 1:00 Libya CE%sT 1990 May 4 +# The following entries are all from Shanks; +# the IATA SSIM data contain some obvious errors. + 2:00 - EET 1996 Sep 30 + 1:00 - CET 1997 Apr 4 + 1:00 1:00 CEST 1997 Oct 4 2:00 - EET # Madagascar @@ -410,8 +406,8 @@ Zone Africa/Maputo 2:10:20 - LMT 1903 Mar 2:00 - CAT # Namibia -# Shanks says DST transitions are at 0:00; go with IATA. # The 1994-04-03 transition is from Shanks. +# Shanks reports no DST after 1998-04; go with IATA. # RULE NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Namibia 1994 max - Sep Sun>=1 2:00 1:00 S Rule Namibia 1995 max - Apr Sun>=1 2:00 0 - @@ -443,10 +439,9 @@ Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis # # Scattered Islands (Iles Eparses) administered from Reunion are as follows. # The following information about them is taken from -# -# Iles Eparses -# -# (1997-07-22, in French). We have no info about their time zone histories. +# Iles Eparses (www.outre-mer.gouv.fr/domtom/ile.htm, 1997-07-22, in French; +# no longer available as of 1999-08-17). +# We have no info about their time zone histories. # # Bassas da India - uninhabited # Europa Island - inhabited from 1905 to 1910 by two families @@ -460,9 +455,6 @@ Zone Africa/Kigali 2:00:16 - LMT 1935 Jun 2:00 - CAT # St Helena -# From Paul Eggert (1997-10-05): -# Shanks says St Helena was 1W26 (-0:05:44) from 1890 to 1951, -# but this is most likely a typo for 5W42, the longitude of Jamestown. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Atlantic/St_Helena -0:22:48 - LMT 1890 # Jamestown -0:22:48 - JMT 1951 # Jamestown Mean Time @@ -470,7 +462,8 @@ Zone Atlantic/St_Helena -0:22:48 - LMT 1890 # Jamestown # The other parts of the St Helena territory are similar: # Tristan da Cunha: on GMT, say Whitman and the CIA # Ascension: on GMT, says usno1995 and the CIA -# Gough (scientific station since 1955): on GMT, says the CIA +# Gough (scientific station since 1955; sealers wintered previously): +# on GMT, says the CIA # Inaccessible, Nightingale: no information, but probably GMT # Sao Tome and Principe @@ -518,18 +511,19 @@ Rule SA 1943 1944 - Mar Sun>=15 2:00 0 - Zone Africa/Johannesburg 1:52:00 - LMT 1892 Feb 8 1:30 - SAST 1903 Mar 2:00 SA SAST -# Shanks erroneously claims that most of South Africa switched to 1:00 -# on 1994-04-03 at 00:00. -# # Marion and Prince Edward Is -# weather station since 1947 +# scientific station since 1947 # no information # Sudan -# From Michael Ross (1995-11-15): -# Sudan no longer observes any form of daylight time change. -# I verified this today by telephone with the Sudan Mission to the -# United Nations: 212-573-6033 +# +# From +# Sudan News Agency (2000-01-13) +# , also reported by Michael De Beukelaer-Dossche via Steffen Thorsen: +# Clocks will be moved ahead for 60 minutes all over the Sudan as of noon +# Saturday.... This was announced Thursday by Caretaker State Minister for +# Manpower Abdul-Rahman Nur-Eddin. +# # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Sudan 1970 only - May 1 0:00 1:00 S Rule Sudan 1970 1985 - Oct 15 0:00 0 - @@ -537,7 +531,8 @@ Rule Sudan 1971 only - Apr 30 0:00 1:00 S Rule Sudan 1972 1985 - Apr lastSun 0:00 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Khartoum 2:10:08 - LMT 1931 - 2:00 Sudan CA%sT + 2:00 Sudan CA%sT 2000 Jan 15 12:00 + 3:00 - EAT # Swaziland # Zone NAME GMTOFF RULES FORMAT [UNTIL] diff --git a/share/zoneinfo/asia b/share/zoneinfo/asia index 3f8cdfaaa56c..2002421744b8 100644 --- a/share/zoneinfo/asia +++ b/share/zoneinfo/asia @@ -1,17 +1,17 @@ -# @(#)asia 7.41 +# @(#)asia 7.55 +# $FreeBSD$ # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to # tz@elsie.nci.nih.gov for general use in the future). -# From Paul Eggert (1996-11-22): +# From Paul Eggert (1999-03-22): # # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (4th edition), -# San Diego: ACS Publications, Inc. (1995). -# Except where otherwise noted, it is the source for the data below. +# Thomas G. Shanks, The International Atlas (5th edition), +# San Diego: ACS Publications, Inc. (1999). # -# Gwillim Law writes that a good source +# Gwillim Law writes that a good source # for recent time zone data is the International Air Transport # Association's Standard Schedules Information Manual (IATA SSIM), # published semiannually. Law sent in several helpful summaries @@ -25,8 +25,7 @@ # I found in the UCLA library. # # A reliable and entertaining source about time zones is -# Derek Howse, Greenwich time and the discovery of the longitude, -# Oxford University Press (1980). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # # I invented the abbreviations marked `*' in the following table; # the rest are from earlier versions of this file, or from other sources. @@ -79,23 +78,20 @@ Zone Asia/Kabul 4:36:48 - LMT 1890 4:30 - AFT # Armenia -# From Paul Eggert (1998-??-??): +# From Paul Eggert (1999-10-29): # Shanks has Yerevan switching to 3:00 (with Russian DST) in spring 1991, -# but usno1995 has Armenia at 4:00 (with DST), and Edgar Der-Danieliantz +# then to 4:00 with no DST in fall 1995, then readopting Russian DST in 1997. +# Go with Shanks, even when he disagrees with others. Edgar Der-Danieliantz # reported (1996-05-04) that Yerevan probably wouldn't use DST # in 1996, though it did use DST in 1995. IATA SSIM (1991/1998) reports that # Armenia switched from 3:00 to 4:00 in 1998 and observed DST after 1991, # but started switching at 3:00s in 1998. -# What a mess! We guess Yerevan DST stayed in sync with Moscow between 1990 -# and 1995, did not use DST in 1996, and started using DST again in 1997. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2 3:00 - YERT 1957 Mar # Yerevan Time 4:00 RussiaAsia YER%sT 1991 Mar 31 2:00s 3:00 1:00 YERST 1991 Sep 23 # independence - 3:00 1:00 AMST 1991 Sep 29 2:00s # Armenia Time - 3:00 - AMT 1992 Jan 19 2:00s - 4:00 RussiaAsia AM%sT 1996 + 3:00 RussiaAsia AM%sT 1995 Sep 24 2:00s 4:00 - AMT 1997 4:00 RussiaAsia AM%sT @@ -191,7 +187,7 @@ Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9 # note about Time magazine, though apparently _something_ happened in 1986. # Go with Shanks for now. I made up names for the other pre-1980 time zones. -# From Shanks (1995): +# From Shanks: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Shang 1940 only - Jun 3 0:00 1:00 D Rule Shang 1940 1941 - Oct 1 0:00 0 S @@ -239,15 +235,14 @@ Rule HK 1979 1980 - May Sun>=8 3:30 1:00 S Rule HK 1979 1980 - Oct Sun>=16 3:30 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30 - 8:00 HK HK%sT 1997 Jul 1 # return to China - 8:00 PRC C%sT + 8:00 HK HK%sT ############################################################################### # Taiwan -# Shanks (1995) writes that Taiwan observed DST during 1945, when it +# Shanks writes that Taiwan observed DST during 1945, when it # was still controlled by Japan. This is hard to believe, but we don't # have any other information. @@ -305,7 +300,7 @@ Rule Cyprus 1981 1998 - Mar lastSun 0:00 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Nicosia 2:13:28 - LMT 1921 Nov 14 2:00 Cyprus EE%sT 1998 Sep - 2:00 EU EE%sT + 2:00 EUAsia EE%sT # IATA SSIM (1998-09) has Cyprus using EU rules for the first time. # Georgia @@ -331,6 +326,14 @@ Zone Asia/Tbilisi 2:59:16 - LMT 1880 4:00 1:00 GEST 1997 Mar lastSun 4:00 E-EurAsia GE%sT +# East Timor +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Dili 8:22:20 - LMT 1912 + 8:00 - TPT 1942 Feb 21 23:00 + 9:00 - JST 1945 Aug + 9:00 - TPT 1976 May 3 + 8:00 - TPT # East Timor Time + # India # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Calcutta 5:53:28 - LMT 1880 @@ -347,7 +350,9 @@ Zone Asia/Calcutta 5:53:28 - LMT 1880 # Indonesia # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Jakarta 7:07:12 - LMT 1867 Aug 10 - 7:07:12 - JMT 1924 Jan 1 0:13 # Jakarta MT +# Shanks says the next transition was at 1924 Jan 1 0:13, +# but this must be a typo. + 7:07:12 - JMT 1923 Dec 31 23:47:12 # Jakarta 7:20 - JAVT 1932 Nov # Java Time 7:30 - JAVT 1942 Mar 23 9:00 - JST 1945 Aug @@ -366,10 +371,10 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov 9:00 - JAYT # Iran -# From Paul Eggert (1996-12-17), following up a suggestion by Rich Wales: +# From Paul Eggert (1999-09-27), following up a suggestion by Rich Wales: # Ahmea Alavi in # -# TAGHVEEM (1993-08-04) +# TAGHVEEM (1993-07-12) # # writes ``Daylight saving time in Iran starts from the first day # of Farvardin and ends the first day of Mehr.'' This disagrees with the SSIM: @@ -383,6 +388,10 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # 1995 03-21 03-21 09-22!= 09-23 # 1996 03-21!= 03-20 09-21!= 09-22 # 1997 03-21 03-21 09-21!= 09-23 +# 1998 03-21 03-21 09-21!= 09-23 +# 1999 03-22!= 03-21 09-22!= 09-23 +# 2000 03-21!= 03-20 09-21!= 09-22 +# 2001 03-17!= 03-21 09-19!= 09-23 # # Go with Alavi starting with 1992. # I used Ed Reingold's cal-persia in GNU Emacs 19.34 to compute Persian dates. @@ -456,6 +465,7 @@ Rule Iraq 1984 1985 - Apr 1 0:00 1:00 D Rule Iraq 1985 1990 - Sep lastSun 1:00s 0 S Rule Iraq 1986 1990 - Mar lastSun 1:00s 1:00 D # IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the `:01' is a typo. +# Shanks says Iraq did not observe DST 1992/1997 or 1999 on; ignore this. Rule Iraq 1991 max - Apr 1 3:00s 1:00 D Rule Iraq 1991 max - Oct 1 3:00s 0 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -473,7 +483,7 @@ Zone Asia/Baghdad 2:57:40 - LMT 1890 # ISRAEL 2 H AHEAD OF UTC # ISRAEL 3 H AHEAD OF UTC APR 10 - SEP 3 -# From Shanks (1995): +# From Shanks: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Zion 1940 only - Jun 1 0:00 1:00 D Rule Zion 1942 1944 - Nov 1 0:00 0 S @@ -517,7 +527,7 @@ Rule Zion 1988 only - Apr 9 0:00 1:00 D Rule Zion 1988 only - Sep 3 0:00 0 S # From Ephraim Silverberg -# (1997-03-04, 1998-03-16 and 1998-12-28): +# (1997-03-04, 1998-03-16, 1998-12-28, and 2000-01-17): # According to the Office of the Secretary General of the Ministry of # Interior, there is NO set rule for Daylight-Savings/Standard time changes. @@ -531,7 +541,11 @@ Rule Zion 1988 only - Sep 3 0:00 0 S # conflicts with the Jewish New Year. Starting in 1999, the change to # daylight savings time will still be on a Friday morning but from # 2 a.m. IST to 3 a.m. IDT; furthermore, the change back to standard time -# will now also be on a Friday morning from 2 a.m. IDT to 1 a.m. IST. +# will now also be on a Friday morning from 2 a.m. IDT to 1 a.m. IST for +# 1999 only. In the years from 2000 to 2002, the change back will be from +# 2 a.m. IDT to 1 a.m. IST the morning after the Jewish festival of +# Shmini Atzeret (i.e. the morning of the 23rd of Tishrei in the lunar +# Hebrew calendar). # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Zion 1989 only - Apr 30 0:00 1:00 D @@ -562,13 +576,12 @@ Rule Zion 1995 only - Sep 3 0:00 0 S # ftp://ftp.huji.ac.il/pub/tz/announcements/1996-1998.ramon.ps.gz # # The dates for 1997-1998 were altered by his successor, Rabbi Eli Suissa. -# The official announcement for the year 1997 can be viewed at: # -# ftp://ftp.huji.ac.il/pub/tz/announcements/1997.ps.gz +# The official announcements for the years 1997-1999 can be viewed at: # -# The official announcement for the year 1998 can be viewed at: +# ftp://ftp.huji.ac.il/pub/tz/announcements/YYYY.ps.gz # -# ftp://ftp.huji.ac.il/pub/tz/announcements/1998.ps.gz +# where YYYY is the relevant year. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Zion 1996 only - Mar 15 0:00 1:00 D @@ -580,18 +593,29 @@ Rule Zion 1998 only - Sep 6 0:00 0 S Rule Zion 1999 only - Apr 2 2:00 1:00 D Rule Zion 1999 only - Sep 3 2:00 0 S -# Due to imminent elections in 1999, there are no dates for the year 2000 -# and beyond. There was a move to legislate the DST rules in Israel, but -# due to the government's fall, it most likely won't be brought to the Knesset -# for first reading before the elections and will probably be altered by the -# newly elected government. +# Minister of Interior, Natan Sharansky, has announced the dates for +# the years 2000-2002. However, sources inside the ministry have noted +# that the end date of 2000 and both dates of 2001-2002 should be regarded +# as tentative pending final approval. +# +# The official announcement for the years 2000-2002 can be viewed at: +# +# ftp://ftp.huji.ac.il/pub/tz/announcements/2000-2002.ps.gz -# From Paul Eggert (1999-01-30): -# Here are guesses for rules after 1999. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +Rule Zion 2000 only - Apr 14 2:00 1:00 D +Rule Zion 2000 only - Oct 22 2:00 0 S +Rule Zion 2001 only - Apr 6 2:00 1:00 D +Rule Zion 2001 only - Oct 10 2:00 0 S +Rule Zion 2002 only - Mar 29 2:00 1:00 D +Rule Zion 2002 only - Sep 29 2:00 0 S + +# From Paul Eggert (2000-01-17): +# Here are guesses for rules after 2002. # They are probably wrong, but they are more likely than no DST at all. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Zion 2000 max - Apr Fri>=1 2:00 1:00 D -Rule Zion 2000 max - Sep Fri>=1 2:00 0 S +Rule Zion 2003 max - Mar Fri>=25 2:00 1:00 D +Rule Zion 2003 max - Oct 1 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Jerusalem 2:20:56 - LMT 1880 @@ -650,6 +674,20 @@ Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u # Since 1938, all Japanese possessions have been like Asia/Tokyo. # Jordan +# +# From +# Jordan Week (1999-07-01) via Steffen Thorsen (1999-09-09): +# Clocks in Jordan were forwarded one hour on Wednesday at midnight, +# in accordance with the government's decision to implement summer time +# all year round. +# +# From +# Jordan Week (1999-09-30) via Steffen Thorsen (1999-11-09): +# Winter time starts today Thursday, 30 September. Clocks will be turned back +# by one hour. This is the latest government decision and it's final! +# The decision was taken because of the increase in working hours in +# government's departments from six to seven hours. +# # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Jordan 1973 only - Jun 6 0:00 1:00 S Rule Jordan 1973 1975 - Oct 1 0:00 0 - @@ -668,9 +706,12 @@ Rule Jordan 1991 only - Apr 17 0:00 1:00 S Rule Jordan 1991 only - Sep 27 0:00 0 - Rule Jordan 1992 only - Apr 10 0:00 1:00 S Rule Jordan 1992 1993 - Oct Fri>=1 0:00 0 - -Rule Jordan 1993 max - Apr Fri>=1 0:00 1:00 S +Rule Jordan 1993 1998 - Apr Fri>=1 0:00 1:00 S Rule Jordan 1994 only - Sep Fri>=15 0:00 0 - -Rule Jordan 1995 max - Sep Fri>=15 0:00s 0 - +Rule Jordan 1995 1998 - Sep Fri>=15 0:00s 0 - +Rule Jordan 1999 only - Jul 1 0:00s 1:00 S +Rule Jordan 1999 max - Sep lastThu 0:00s 0 - +Rule Jordan 2000 max - Mar lastThu 0:00s 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Amman 2:23:44 - LMT 1931 2:00 Jordan EE%sT @@ -705,16 +746,17 @@ Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2 # or Aktau 4:00 E-EurAsia AQT%sT # Kirgizstan +# Transitions through 1991 are from Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Kirgiz 1992 1996 - Apr Sun>=7 0:00 1:00 S -Rule Kirgiz 1991 1996 - Sep lastSun 0:00 0 - +Rule Kirgiz 1992 1996 - Sep lastSun 0:00 0 - Rule Kirgiz 1997 max - Mar lastSun 2:30 1:00 S Rule Kirgiz 1997 max - Oct lastSun 2:30 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2 5:00 - FRUT 1930 Jun 21 # Frunze Time 6:00 RussiaAsia FRU%sT 1991 Mar 31 2:00s - 5:00 1:00 FRUST 1991 Aug 31 # independence + 5:00 1:00 FRUST 1991 Aug 31 2:00 # independence 5:00 Kirgiz KG%sT # Kirgizstan Time ############################################################################### @@ -726,7 +768,7 @@ Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2 # Daylight Savings Time was not observed until 1987. He did not know # at what time of day DST starts or ends. -# From Shanks (1995): +# From Shanks: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule ROK 1960 only - May 15 0:00 1:00 D Rule ROK 1960 only - Sep 13 0:00 0 S @@ -789,7 +831,8 @@ Rule Lebanon 1989 only - May 10 0:00 1:00 S Rule Lebanon 1990 1992 - May 1 0:00 1:00 S Rule Lebanon 1992 only - Oct 4 0:00 0 - Rule Lebanon 1993 max - Mar lastSun 0:00 1:00 S -Rule Lebanon 1993 max - Sep lastSun 0:00 0 - +Rule Lebanon 1993 1998 - Sep lastSun 0:00 0 - +Rule Lebanon 1999 max - Oct lastSun 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Beirut 2:22:00 - LMT 1880 2:00 Lebanon EE%sT @@ -821,31 +864,62 @@ Zone Indian/Maldives 4:54:00 - LMT 1880 # Male 5:00 - MVT # Maldives Time # Mongolia + # Shanks says that Mongolia has three time zones, but usno1995 and the CIA map # Standard Time Zones of the World (1997-01) -# # both say that it has just one. -# Let's comment out the western and eastern Mongolian time zones -# till we know what their principal towns are. + +# From Oscar van Vlijmen (1999-12-11): +# +# General Information Mongolia +# (1999-09) +# "Time: Mongolia has two time zones. Three westernmost provinces of +# Bayan-Ulgii, Uvs, and Hovd are one hour earlier than the capital city, and +# the rest of the country follows the Ulaanbaatar time, which is UTC/GMT plus +# eight hours." + +# From Rives McDow (1999-12-13): +# Mongolia discontinued the use of daylight savings time in 1999; 1998 +# being the last year it was implemented. The dates of implementation I am +# unsure of, but most probably it was similar to Russia, except for the time +# of implementation may have been different.... +# Some maps in the past have indicated that there was an additional time +# zone in the eastern part of Mongolia, including the provinces of Dornod, +# Suhbaatar, and possibly Khentij. + +# From Paul Eggert (1999-12-15): +# For now, we'll comment out the east zone (Choybalsan) +# and use Shanks's and the IATA's data for the daylight-saving rules. +# Naming and spelling is tricky in Mongolia. +# We'll use Hovd (also spelled Chovd and Khovd) to represent the west zone; +# the capital of the Hovd province is sometimes called Hovd, sometimes Dund-Us, +# and sometimes Jirgalanta (with variant spellings), but the name Hovd +# is good enough for our purposes. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Mongol 1981 1984 - Apr 1 0:00 1:00 S Rule Mongol 1981 1984 - Oct 1 0:00 0 - Rule Mongol 1985 1990 - Mar lastSun 2:00 1:00 S Rule Mongol 1985 1990 - Sep lastSun 3:00 0 - -Rule Mongol 1991 max - Mar lastSun 0:00 1:00 S +Rule Mongol 1991 1998 - Mar lastSun 0:00 1:00 S Rule Mongol 1991 1995 - Sep lastSun 0:00 0 - -Rule Mongol 1996 only - Oct Fri>=22 0:00 0 - -Rule Mongol 1997 max - Sep lastSun 0:00 0 - +# IATA SSIM (1996-09) says 1996-10-25; go with Shanks. +Rule Mongol 1996 only - Oct lastSun 0:00 0 - +Rule Mongol 1997 1998 - Sep lastSun 0:00 0 - +# IATA SSIM (1999-09) says Mongolia no longer observes DST. + # Zone NAME GMTOFF RULES FORMAT [UNTIL] -#Zone Asia/Dariv 6:14:32 - LMT 1905 Aug -# 6:00 - DART 1978 # Dariv Time -# 7:00 Mongol DAR%sT -Zone Asia/Ulan_Bator 7:07:32 - LMT 1905 Aug - 7:00 - ULAT 1978 # Ulan Bator Time +Zone Asia/Hovd 6:06:36 - LMT 1905 Aug + 6:00 - HOVT 1978 # Hovd Time + 7:00 Mongol HOV%sT +Zone Asia/Ulaanbaatar 7:07:32 - LMT 1905 Aug + 7:00 - ULAT 1978 # Ulaanbaatar Time 8:00 Mongol ULA%sT -#Zone Asia/Baruun-Urt 7:33:00 - LMT 1905 Aug -# 8:00 - BART 1978 # Baruun-Urt Time -# 9:00 Mongol BAR%sT +# We're not sure about this entry yet, so we'll omit it for now. +#Zone Asia/Choybalsan 7:38:00 - LMT 1905 Aug +# 8:00 - CHOT 1978 # Choybalsan Time +# 9:00 Mongol CHO%sT 19?? +# 8:00 Mongol ULA%sT # Nepal # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -931,7 +1005,17 @@ Zone Asia/Karachi 4:28:12 - LMT 1907 # one-hour forward at this time. As a sign of independence from Israeli rule, # the PA has decided to implement DST in April. -# These rules for Egypt are stolen from the `africa' file. +# From Paul Eggert (1999-09-20): +# Daoud Kuttab writes in +# +# Holiday havoc +# (Jerusalem Post, 1999-04-22) that +# the Palestinian National Authority changed to DST on 1999-04-15. +# I vaguely recall that they switch back in October (sorry, forgot the source). +# For now, let's assume that the spring switch was at 24:00, +# and that they switch at 0:00 on the 3rd Fridays of April and October. + +# The rules for Egypt are stolen from the `africa' file. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule EgyptAsia 1957 only - May 10 0:00 1:00 S Rule EgyptAsia 1957 1958 - Oct 1 0:00 0 - @@ -939,18 +1023,23 @@ Rule EgyptAsia 1958 only - May 1 0:00 1:00 S Rule EgyptAsia 1959 1967 - May 1 1:00 1:00 S Rule EgyptAsia 1959 1965 - Sep 30 3:00 0 - Rule EgyptAsia 1966 only - Oct 1 3:00 0 - + +Rule Palestine 1999 max - Apr Fri>=15 0:00 1:00 S +Rule Palestine 1999 max - Oct Fri>=15 0:00 0 - + # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Gaza 2:17:52 - LMT 1900 Oct 2:00 Zion EET 1948 May 15 2:00 EgyptAsia EE%sT 1967 Jun 5 2:00 Zion I%sT 1996 - 2:00 Jordan EE%sT + 2:00 Jordan EE%sT 1999 + 2:00 Palestine EE%sT # Paracel Is # no information # Philippines -# Howse writes (p 162) that until 1844 the Philippines kept American date. +# Howse writes (p 153) that until 1844 the Philippines kept American date. # The rest of this data is from Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Phil 1936 only - Nov 1 0:00 1:00 S @@ -994,12 +1083,11 @@ Zone Asia/Singapore 6:55:24 - LMT 1880 # Sri Lanka # From Paul Eggert (1996-09-03): -# -# Sri Lanka advances clock by an hour to avoid blackout (1996-05-24) -# +# "Sri Lanka advances clock by an hour to avoid blackout" +# (www.virtual-pc.com/lankaweb/news/items/240596-2.html, 1996-05-24, +# no longer available as of 1999-08-17) # reported ``the country's standard time will be put forward by one hour at # midnight Friday (1830 GMT) `in the light of the present power crisis'.'' -# Transitions before 1996 are from Shanks (1995). # # From Dharmasiri Senanayake, Sri Lanka Media Minister (1996-10-24), as quoted # by Shamindra in @@ -1049,22 +1137,25 @@ Rule Syria 1991 1992 - Oct 1 0:00 0 - Rule Syria 1992 only - Apr 8 0:00 1:00 S Rule Syria 1993 only - Mar 26 0:00 1:00 S Rule Syria 1993 only - Sep 25 0:00 0 - -# IATA SSIM (1996-09) says 1997-03-31; (1998-02) says 1998-04-02; -# (1998-09) says 1999-03-29 and 1999-09-29; ignore all these claims for now. -Rule Syria 1994 max - Apr 1 0:00 1:00 S +# IATA SSIM (1998-02) says 1998-04-02; +# (1998-09) says 1999-03-29 and 1999-09-29; (1999-02) says 1999-04-02, +# 2000-04-02, and 2001-04-02; (1999-09) says 2000-03-31 and 2001-03-31; +# ignore all these claims and go with Shanks. +Rule Syria 1994 1996 - Apr 1 0:00 1:00 S Rule Syria 1994 max - Oct 1 0:00 0 - +Rule Syria 1997 1998 - Mar lastMon 0:00 1:00 S +Rule Syria 1999 max - Apr 1 0:00 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Damascus 2:25:12 - LMT 1920 2:00 Syria EE%sT # Tajikistan -# From Shanks (1995), who writes ``date of change uncertain'' for 1991. +# From Shanks. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2 5:00 - DUST 1930 Jun 21 # Dushanbe Time 6:00 RussiaAsia DUS%sT 1991 Mar 31 2:00s - 5:00 1:00 DUSST 1991 Sep 9 # independence - 5:00 RussiaAsia TJ%sT 1992 + 5:00 1:00 DUSST 1991 Sep 9 2:00s 5:00 - TJT # Tajikistan Time # Thailand @@ -1074,16 +1165,13 @@ Zone Asia/Bangkok 6:42:04 - LMT 1880 7:00 - ICT # Turkmenistan -# From Shanks (1995): +# From Shanks. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Ashkhabad 3:53:32 - LMT 1924 May 2 # or Ashgabat 4:00 - ASHT 1930 Jun 21 # Ashkhabad Time - 5:00 - ASHT 1981 Apr 1 - 5:00 1:00 ASHST 1981 Oct 1 - 6:00 - ASHT 1982 Apr 1 - 5:00 RussiaAsia ASH%sT 1991 - 5:00 - ASHT 1991 Oct 27 # independence - 5:00 RussiaAsia TM%sT 1993 # Turkmenistan Time + 5:00 RussiaAsia ASH%sT 1991 Mar 31 2:00 + 4:00 RussiaAsia ASH%sT 1991 Oct 27 # independence + 4:00 RussiaAsia TM%sT 1992 Jan 19 2:00 5:00 - TMT # United Arab Emirates @@ -1092,22 +1180,21 @@ Zone Asia/Dubai 3:41:12 - LMT 1920 4:00 - GST # Uzbekistan -# From Shanks (1995): # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Samarkand 4:27:12 - LMT 1924 May 2 4:00 - SAMT 1930 Jun 21 # Samarkand Time 5:00 - SAMT 1981 Apr 1 5:00 1:00 SAMST 1981 Oct 1 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00 # Tashkent Time - 5:00 - TAST 1991 Sep 1 # independence - 5:00 - UZT 1992 + 5:00 RussiaAsia TAS%sT 1991 Sep 1 # independence + 5:00 RussiaAsia UZ%sT 1992 5:00 RussiaAsia UZ%sT 1993 5:00 - UZT Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2 5:00 - TAST 1930 Jun 21 # Tashkent Time 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00s - 5:00 - TAST 1991 Sep 1 # independence - 5:00 - UZT 1992 + 5:00 RussiaAsia TAS%sT 1991 Sep 1 # independence + 5:00 RussiaAsia UZ%sT 1992 5:00 RussiaAsia UZ%sT 1993 5:00 - UZT @@ -1115,7 +1202,7 @@ Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2 # From Paul Eggert (1993-11-18): # Saigon's official name is Thanh-Pho Ho Chi Minh, but it's too long. # We'll stick with the traditional name for now. -# From Shanks (1991): +# From Shanks: # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Saigon 7:06:40 - LMT 1906 Jun 9 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT? diff --git a/share/zoneinfo/australasia b/share/zoneinfo/australasia index ac69dcf94c6f..9199b0d7f3f5 100644 --- a/share/zoneinfo/australasia +++ b/share/zoneinfo/australasia @@ -1,4 +1,4 @@ -# @(#)australasia 7.45 +# @(#)australasia 7.56 # This file also includes Pacific islands. # $FreeBSD$ # Notes are at the end of this file @@ -8,27 +8,26 @@ # Australia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -# Shanks gives 1917 Jan 1 0:01; go with Whitman (and guess 2:00). -Rule Aus 1916 only - Oct 1 2:00 1:00 - +Rule Aus 1917 only - Jan 1 0:01 1:00 - Rule Aus 1917 only - Mar 25 2:00 0 - Rule Aus 1942 only - Jan 1 2:00 1:00 - Rule Aus 1942 only - Mar 29 2:00 0 - Rule Aus 1942 only - Sep 27 2:00 1:00 - Rule Aus 1943 1944 - Mar lastSun 2:00 0 - Rule Aus 1943 only - Oct 3 2:00 1:00 - -# Whitman says W Australia didn't use DST in 1943/1944, and that -# 1944/1945 was just like 1943/1944; go with Shanks. +# Go with Whitman and the Australian National Standards Commission, which +# says W Australia didn't use DST in 1943/1944. Ignore Whitman's claim that +# 1944/1945 was just like 1943/1944. # Zone NAME GMTOFF RULES FORMAT [UNTIL] # Northern Territory Zone Australia/Darwin 8:43:20 - LMT 1895 Feb 9:00 - CST 1899 May - 9:30 - CST 1917 Jan 1 0:01 9:30 Aus CST # Western Australia Zone Australia/Perth 7:43:24 - LMT 1895 Dec - 8:00 - WST 1917 Jan 1 0:01 - 8:00 Aus WST 1974 Oct lastSun 2:00s + 8:00 Aus WST 1943 Jul + 8:00 - WST 1974 Oct lastSun 2:00s 8:00 1:00 WST 1975 Mar Sun>=1 2:00s 8:00 - WST 1983 Oct lastSun 2:00s 8:00 1:00 WST 1984 Mar Sun>=1 2:00s @@ -49,19 +48,18 @@ Zone Australia/Perth 7:43:24 - LMT 1895 Dec # so use Lindeman. # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +Rule AQ 1971 only - Oct lastSun 2:00s 1:00 - +Rule AQ 1972 only - Feb lastSun 2:00s 0 - Rule AQ 1989 1991 - Oct lastSun 2:00s 1:00 - Rule AQ 1990 1992 - Mar Sun>=1 2:00s 0 - -Rule Holiday 1989 1993 - Oct lastSun 2:00s 1:00 - -Rule Holiday 1990 1994 - Mar Sun>=1 2:00s 0 - +Rule Holiday 1992 1993 - Oct lastSun 2:00s 1:00 - +Rule Holiday 1993 1994 - Mar Sun>=1 2:00s 0 - Zone Australia/Brisbane 10:12:08 - LMT 1895 - 10:00 - EST 1917 Jan 1 0:01 - 10:00 Aus EST 1971 Oct lastSun 2:00s - 10:00 1:00 EST 1972 Feb lastSun 2:00s + 10:00 Aus EST 1971 10:00 AQ EST Zone Australia/Lindeman 9:55:56 - LMT 1895 - 10:00 - EST 1917 Jan 1 0:01 - 10:00 Aus EST 1971 Oct lastSun 2:00s - 10:00 1:00 EST 1972 Feb lastSun 2:00s + 10:00 Aus EST 1971 + 10:00 AQ EST 1992 Jul 10:00 Holiday EST # South Australia @@ -78,47 +76,49 @@ Rule AS 1995 max - Mar lastSun 2:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Australia/Adelaide 9:14:20 - LMT 1895 Feb 9:00 - CST 1899 May - 9:30 - CST 1917 Jan 1 0:01 - 9:30 Aus CST 1971 Oct lastSun 2:00s + 9:30 Aus CST 1971 9:30 AS CST # Tasmania # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule AT 1967 only - Oct 1 2:00s 1:00 - -Rule AT 1968 only - Mar 31 2:00s 0 - +Rule AT 1967 only - Oct Sun>=1 2:00s 1:00 - +Rule AT 1968 only - Mar lastSun 2:00s 0 - Rule AT 1968 1985 - Oct lastSun 2:00s 1:00 - Rule AT 1969 1971 - Mar Sun>=8 2:00s 0 - -Rule AT 1972 only - Feb 27 2:00s 0 - +Rule AT 1972 only - Feb lastSun 2:00s 0 - Rule AT 1973 1981 - Mar Sun>=1 2:00s 0 - Rule AT 1982 1983 - Mar lastSun 2:00s 0 - Rule AT 1984 1986 - Mar Sun>=1 2:00s 0 - -Rule AT 1986 only - Oct 19 2:00s 1:00 - +Rule AT 1986 only - Oct Sun>=15 2:00s 1:00 - Rule AT 1987 1990 - Mar Sun>=15 2:00s 0 - -Rule AT 1987 1990 - Oct lastSun 2:00s 1:00 - -Rule AT 1991 max - Oct Sun>=1 2:00s 1:00 - +Rule AT 1987 only - Oct Sun>=22 2:00s 1:00 - +Rule AT 1988 1990 - Oct lastSun 2:00s 1:00 - +Rule AT 1991 1999 - Oct Sun>=1 2:00s 1:00 - Rule AT 1991 max - Mar lastSun 2:00s 0 - +Rule AT 2000 only - Aug lastSun 2:00s 1:00 - +Rule AT 2001 max - Oct Sun>=1 2:00s 1:00 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Australia/Hobart 9:49:16 - LMT 1895 Sep - 10:00 - EST 1917 Jan 1 0:01 - 10:00 Aus EST 1967 Oct 1 2:00s + 10:00 - EST 1916 Oct 1 2:00 + 10:00 1:00 EST 1917 Feb + 10:00 Aus EST 1967 10:00 AT EST # Victoria # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule AV 1971 1985 - Oct lastSun 2:00s 1:00 - -Rule AV 1972 only - Feb 27 2:00s 0 - +Rule AV 1972 only - Feb lastSun 2:00s 0 - Rule AV 1973 1985 - Mar Sun>=1 2:00s 0 - Rule AV 1986 1990 - Mar Sun>=15 2:00s 0 - -Rule AV 1986 only - Oct 19 2:00s 1:00 - -Rule AV 1987 1999 - Oct lastSun 2:00s 1:00 - +Rule AV 1986 1987 - Oct Sun>=15 2:00s 1:00 - +Rule AV 1988 1999 - Oct lastSun 2:00s 1:00 - Rule AV 1991 1994 - Mar Sun>=1 2:00s 0 - Rule AV 1995 max - Mar lastSun 2:00s 0 - -Rule AV 2000 only - Aug 27 2:00s 1:00 - +Rule AV 2000 only - Aug lastSun 2:00s 1:00 - Rule AV 2001 max - Oct lastSun 2:00s 1:00 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Australia/Melbourne 9:39:52 - LMT 1895 Feb - 10:00 - EST 1917 Jan 1 0:01 - 10:00 Aus EST 1971 Oct 31 2:00s + 10:00 Aus EST 1971 10:00 AV EST # New South Wales @@ -133,19 +133,18 @@ Rule AN 1986 only - Oct 19 2:00s 1:00 - Rule AN 1987 1999 - Oct lastSun 2:00s 1:00 - Rule AN 1990 1995 - Mar Sun>=1 2:00s 0 - Rule AN 1996 max - Mar lastSun 2:00s 0 - -Rule AN 2000 only - Aug 27 2:00s 1:00 - +Rule AN 2000 only - Aug lastSun 2:00s 1:00 - Rule AN 2001 max - Oct lastSun 2:00s 1:00 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Australia/Sydney 10:04:52 - LMT 1895 Feb - 10:00 - EST 1917 Jan 1 0:01 - 10:00 Aus EST 1971 Oct 31 2:00s + 10:00 Aus EST 1971 10:00 AN EST Zone Australia/Broken_Hill 9:25:48 - LMT 1895 Feb 10:00 - EST 1896 Aug 23 9:00 - CST 1899 May - 9:30 - CST 1917 Jan 1 0:01 - 9:30 Aus CST 1971 Oct 31 2:00s - 9:30 AN CST + 9:30 Aus CST 1971 + 9:30 AN CST 2000 + 9:30 AS CST # Lord Howe Island # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -154,9 +153,11 @@ Rule LH 1982 1985 - Mar Sun>=1 2:00s 0 - Rule LH 1985 only - Oct lastSun 2:00s 0:30 - Rule LH 1986 1989 - Mar Sun>=15 2:00s 0 - Rule LH 1986 only - Oct 19 2:00s 0:30 - -Rule LH 1987 max - Oct lastSun 2:00s 0:30 - +Rule LH 1987 1999 - Oct lastSun 2:00s 0:30 - Rule LH 1990 1995 - Mar Sun>=1 2:00s 0 - Rule LH 1996 max - Mar lastSun 2:00s 0 - +Rule LH 2000 only - Aug lastSun 2:00s 0:30 - +Rule LH 2001 max - Oct lastSun 2:00s 0:30 - Zone Australia/Lord_Howe 10:36:20 - LMT 1895 Feb 10:00 - EST 1981 Mar 10:30 LH LHST @@ -165,7 +166,7 @@ Zone Australia/Lord_Howe 10:36:20 - LMT 1895 Feb # # Ashmore Is, Cartier # no indigenous inhabitants; only seasonal caretakers -# no information; probably like Australia/Perth +# like Australia/Perth, says Turner # # Coral Sea Is # no indigenous inhabitants; only meteorologists @@ -173,11 +174,8 @@ Zone Australia/Lord_Howe 10:36:20 - LMT 1895 Feb # # Macquarie # permanent occupation (scientific station) since 1948; -# sealing and penguin oil station operated 1888-1917 -# no information -# -# Manihiki, Penrhyn, Rakehanga -# no information +# sealing and penguin oil station operated 1888/1917 +# like Australia/Hobart, says Turner # Christmas # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -185,7 +183,7 @@ Zone Indian/Christmas 7:02:52 - LMT 1895 Feb 7:00 - CXT # Christmas Island Time # Cook Is -# From Shanks (1995): +# From Shanks: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Cook 1978 only - Nov 12 0:00 0:30 HS Rule Cook 1979 1991 - Mar Sun>=1 0:00 0 - @@ -263,8 +261,9 @@ Zone Pacific/Truk 10:07:08 - LMT 1901 Zone Pacific/Ponape 10:32:52 - LMT 1901 # Kolonia 11:00 - PONT # Ponape Time Zone Pacific/Kosrae 10:51:56 - LMT 1901 - 11:00 - PONT 1969 Oct - 12:00 - KOST # Kosrae Time + 11:00 - KOST 1969 Oct # Kosrae Time + 12:00 - KOST 1999 + 11:00 - KOST # Nauru # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -279,6 +278,7 @@ Zone Pacific/Nauru 11:07:40 - LMT 1921 Jan 15 # Uaobe Rule NC 1977 1978 - Dec Sun>=1 0:00 1:00 S Rule NC 1978 1979 - Feb 27 0:00 0 - Rule NC 1996 only - Dec 1 2:00s 1:00 S +# Shanks says the following was at 2:00; go with IATA. Rule NC 1997 only - Mar 2 2:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Noumea 11:05:48 - LMT 1912 Jan 13 @@ -319,11 +319,13 @@ Zone Pacific/Chatham 12:45 Chatham CHA%sT # Auckland Is -# uninhabited +# uninhabited; Maori and Moriori, colonial settlers, pastoralists, sealers, +# and scientific personnel have wintered # Campbell I -# minor whaling stations operated 1909-14 -# scientific station operated 1941-1995 +# minor whaling stations operated 1909/1914 +# scientific station operated 1941/1995; +# previously whalers, sealers, pastoralists, and scientific personnel wintered # was probably like Pacific/Auckland ############################################################################### @@ -342,7 +344,7 @@ Zone Pacific/Norfolk 11:11:52 - LMT 1901 # Kingston 11:12 - NMT 1951 # Norfolk Mean Time 11:30 - NFT # Norfolk Time -# Palau +# Palau (Belau) # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Palau 8:57:56 - LMT 1901 # Koror 9:00 - PWT # Palau Time @@ -356,7 +358,8 @@ Zone Pacific/Port_Moresby 9:48:40 - LMT 1880 # Pitcairn # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Pitcairn -8:40:20 - LMT 1901 # Adamstown - -8:30 - PNT # Pitcairn Time + -8:30 - PNT 1998 Apr 27 00:00 + -8:00 - PST # Pitcairn Standard Time # American Samoa Zone Pacific/Pago_Pago 12:37:12 - LMT 1879 Jul 5 @@ -384,10 +387,14 @@ Zone Pacific/Fakaofo -11:24:56 - LMT 1901 -10:00 - TKT # Tokelau Time # Tonga +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +Rule Tonga 1999 max - Oct Sat>=1 2:00s 1:00 S +Rule Tonga 2000 max - Apr Sun>=16 2:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Tongatapu 12:19:20 - LMT 1901 - 12:20 - TOT 1968 Oct # Tonga Time - 13:00 - TOT + 12:20 - TOT 1941 # Tonga Time + 13:00 - TOT 1999 + 13:00 Tonga TO%sT # Tuvalu # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -452,12 +459,12 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # go ahead and edit the file (and please send any changes to # tz@elsie.nci.nih.gov for general use in the future). -# From Paul Eggert (1996-11-22): +# From Paul Eggert (1999-10-29): # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (4th edition), -# San Diego: ACS Publications, Inc. (1995). +# Thomas G. Shanks, The International Atlas (5th edition), +# San Diego: ACS Publications, Inc. (1999). # -# Gwillim Law writes that a good source +# Gwillim Law writes that a good source # for recent time zone data is the International Air Transport # Association's Standard Schedules Information Manual (IATA SSIM), # published semiannually. Law sent in several helpful summaries @@ -471,8 +478,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # I found in the UCLA library. # # A reliable and entertaining source about time zones is -# Derek Howse, Greenwich time and the discovery of the longitude, -# Oxford University Press (1980). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # # I invented the abbreviations marked `*' in the following table; # the rest are from earlier versions of this file, or from other sources. @@ -489,6 +495,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # 12:45 CHAST CHADT Chatham* # -11:00 SST Samoa # -10:00 HST Hawaii +# - 8:00 PST Pitcairn* # # See the `northamerica' file for Hawaii. # See the `southamerica' file for Easter I and the Galapagos Is. @@ -497,6 +504,10 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Australia +# +# Australia's Daylight Saving Times +# , by Margaret Turner, summarizes daylight saving issues in Australia. + # From John Mackin (1991-03-06): # We in Australia have _never_ referred to DST as `daylight' time. # It is called `summer' time. Now by a happy coincidence, `summer' @@ -540,7 +551,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Standard Time Act 1987 (updated 1995-04-04) # # ACT -# +# # Standard Time and Summer Time Act 1972 # # SA @@ -593,6 +604,11 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # The 1992 ending date used in the rules is a best guess; # it matches what was used in the past. +# +# The Australian Bureau of Meteorology FAQ +# (1999-09-27) writes that Giles Meteorological Station uses +# South Australian time even though it's located in Western Australia. + # Queensland # From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06): # # The state of QUEENSLAND.. [ Courtesy Qld. Dept Premier Econ&Trade Devel ] @@ -704,66 +720,29 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Tasmania -# From Bradley White (1991-03-04): -# A recent excerpt from an Australian newspaper... -# ...Tasmania will revert to Australian Eastern Standard Time on March 31... - -# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06): +# The rules for 1967 through 1991 were reported by George Shepherd +# via Simon Woodhead via Robert Elz (1991-03-06): # # The state of TASMANIA.. [Courtesy Tasmanian Dept of Premier + Cabinet ] # # [ Nov 1990 ] -# ... -# Zone Australia/Tasmania 10:00 AT %sST -# ... -# Rule AT 1967 only - Oct Sun>=1 2:00 1:00 D -# Rule AT 1968 only - Mar lastSun 3:00 0 E -# Rule AT 1968 1985 - Oct lastSun 2:00 1:00 D -# Rule AT 1969 1971 - Mar Sun>=8 3:00 0 E -# Rule AT 1972 only - Feb lastSun 3:00 0 E -# Rule AT 1973 1981 - Mar Sun>=1 3:00 0 E -# Rule AT 1982 1983 - Mar lastSun 3:00 0 E -# Rule AT 1984 1986 - Mar Sun>=1 3:00 0 E -# Rule AT 1986 only - Oct Sun>=15 2:00 1:00 D -# Rule AT 1987 1990 - Mar Sun>=15 3:00 0 E -# Rule AT 1987 only - Oct Sun>=22 2:00 1:00 D -# Rule AT 1988 1990 - Oct lastSun 2:00 1:00 D -# Rule AT 1991 max - Oct Sun>=1 2:00 1:00 D -# Rule AT 1991 max - Mar lastSun 3:00 0 E - -# From Bill Hart via Alexander Dupuy and Guy Harris (1991-10-10): -# My state Government in there eagerness to get a few more bucks for the -# tourist industry industry decided to change the daylight savings times -# yet again (we now have almost 6 months per year)... -# ... -# Rule Oz 1986 1990 - Oct Sun<=24 2:00 1:00 - -# Rule Oz 1991 max - Oct Sun>=1 2:00 1:00 - -# ... -# Rule Oz 1987 1990 - Mar Sun<=21 3:00 0 - -# Rule Oz 1991 max - Mar Sun<=31 3:00 0 - # From Bill Hart via Guy Harris (1991-10-10): # Oh yes, the new daylight savings rules are uniquely tasmanian, we have # 6 weeks a year now when we are out of sync with the rest of Australia # (but nothing new about that). +# From Alex Livingston (1999-10-04): +# I heard on the ABC (Australian Broadcasting Corporation) radio news on the +# (long) weekend that Tasmania, which usually goes its own way in this regard, +# has decided to join with most of NSW, the ACT, and most of Victoria +# (Australia) and start daylight saving on the last Sunday in August in 2000 +# instead of the first Sunday in October. + # Victoria -# From Bradley White (1991-03-04): -# A recent excerpt from an Australian newspaper... -# ...Victoria...[has] agreed to end daylight saving at 3am tomorrow (March 3)... - -# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06): +# The rules for 1971 through 1991 were reported by George Shepherd +# via Simon Woodhead via Robert Elz (1991-03-06): # # The state of VICTORIA.. [ Courtesy of Vic. Dept of Premier + Cabinet ] # # [ Nov 1990 ] -# ... -# Zone Australia/Victoria 10:00 AV %sST -# ... -# Rule AV 1971 1985 - Oct lastSun 2:00 1:00 D -# Rule AV 1972 only - Feb lastSun 3:00 0 E -# Rule AV 1973 1985 - Mar Sun>=1 3:00 0 E -# Rule AV 1986 1990 - Mar Sun>=15 3:00 0 E -# Rule AV 1986 1987 - Oct Sun>=15 2:00 1:00 D -# Rule AV 1988 max - Oct lastSun 2:00 1:00 D -# Rule AV 1991 max - Mar Sun>=1 3:00 0 E # New South Wales @@ -778,42 +757,65 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # legislation. This is very important to understand. # I have researched New South Wales time only... -# From Dave Davey (1990-03-03): -# Rule NSW 1988 only - Mar Sun>=1 3:00 0 - -# Rule NSW 1989 only - Mar Sun<=21 3:00 0 - +# From Paul Eggert (1999-09-27): +# The Information Service of the Australian National Standards Commission +# +# Daylight Saving +# page (1995-04) has an excellent overall history of Australian DST. +# The Community Relations Division of the NSW Attorney General's Department +# publishes a history of daylight saving in NSW. See: +# +# Lawlink NSW: Daylight Saving in New South Wales +# -# From Bradley White (1991-03-04): -# A recent excerpt from an Australian newspaper... -# NSW...[has] agreed to end daylight saving at 3am tomorrow (March 3)... +# From Eric Ulevik (1999-05-26): +# DST will start in NSW on the last Sunday of August, rather than the usual +# October in 2000. [See: Matthew Moore, +# +# Two months more daylight saving +# +# Sydney Morning Herald (1999-05-26).] -# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06): -# # The state of NEW SOUTH WALES.. [confirmed by Attorney General's Dept N.S.W] -# # [ Dec 1990 ] -# ... -# Rule AN 1988 1989 - Mar Sun<=21 3:00 0 E -# ... - -# From John Mackin (1991-03-09) -# I have confirmed the accuracy of the historical data for NSW in the -# file Robert forwarded - -# From Arthur David Olson (1992-03-08): -# Sources differ on whether DST ended March 6 or March 20 in 1988; -# March 20 (the "confirmed" date) is in the chosen rules. - -# From Bradley White (1995-05-20): -# Prem Bob Carr announced NSW will fall into line with other E states -# and SA and continue daylight savings to the last Sun in Mar. - -# From Eric Ulevik (1997-06-12): -# The NSW state government in Australia is talking about bringing the start -# of daylight savings time forward in the year 2000 to cater for the Olympics. -# This is going to take some time to be negotiated, because the plan is to do -# this in multiple states due to soccer games (which are not just in Sydney). +# From Paul Eggert (1999-09-27): +# See the following official NSW source: +# +# Daylight Saving in New South Wales. +# +# +# Narrabri Shire (NSW) council has announced it will ignore the extension of +# daylight saving next year. See: +# +# Narrabri Council to ignore daylight saving +# (1999-07-22). For now, we'll wait to see if this really happens. +# +# Victoria will following NSW. See: +# +# Vic to extend daylight saving +# (1999-07-28). +# +# However, South Australia rejected the DST request. See: +# +# South Australia rejects Olympics daylight savings request +# (1999-07-19). +# +# Queensland also will not observe DST for the Olympics. See: +# +# Qld says no to daylight savings for Olympics +# (1999-06-01), which quotes Queensland Premier Peter Beattie as saying +# ``Look you've got to remember in my family when this came up last time +# I voted for it, my wife voted against it and she said to me it's all very +# well for you, you don't have to worry about getting the children out of +# bed, getting them to school, getting them to sleep at night. +# I've been through all this argument domestically...my wife rules.'' +# +# Broken Hill will stick with South Australian time in 2000. See: +# +# Broken Hill to be behind the times +# (1999-07-21). # IATA SSIM (1998-09) says that the spring 2000 change for Australian # Capital Territory, New South Wales except Lord Howe Island and Broken -# Hill, and Victoria will be August 27, due to the Sydney Olympics. +# Hill, and Victoria will be August 27, presumably due to the Sydney Olympics. # Yancowinna @@ -844,16 +846,23 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Lord Howe Island is located off the New South Wales coast, and is half an # hour ahead of NSW time. -# From Paul Eggert (1995-12-19): -# For Lord Howe we use Shanks through 1991. -# Lord Howe is part of NSW, so we'll guess it has used the same transition -# times as NSW since 1991, even though Shanks writes that Lord Howe went -# with Victoria when NSW and Victoria disagreed in 1982. +# From James Lonergan, Secretary, Lord Howe Island Board (2000-01-27): +# Lord Howe Island summer time in 2000/2001 will commence on the same +# date as the rest of NSW (i.e. 2000-08-27). For your information the +# Lord Howe Island Board (controlling authority for the Island) is +# seeking the community's views on various options for summer time +# arrangements on the Island, e.g. advance clocks by 1 full hour +# instead of only 30 minutes. Dependant on the wishes of residents +# the Board may approach the NSW government to change the existing +# arrangements. The starting date for summer time on the Island will +# however always coincide with the rest of NSW. + +# From Paul Eggert (2000-01-31): +# For Lord Howe we use Shanks through 1989, and Lonergan thereafter. ############################################################################### -# New Zealand, from Elz' asia 1.1 -# Elz says "no guarantees" +# New Zealand # From Mark Davies (1990-10-03): # the 1989/90 year was a trial of an extended "daylight saving" period. @@ -886,25 +895,29 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # time on both the first Sunday in October and the third Sunday in March. # As with Australia, we'll assume the tradition is 2:00s, not 2:00. # -# From Paul Eggert (1996-11-22): -# Shanks gives no data for Chatham; usno1989 says it's +12:45, -# usno1995 says it's +12:45/+13:45, and IATA SSIM (1991/1996) +# From Paul Eggert (1999-10-29): +# Shanks gives no time data for Chatham; usno1989 says it's +12:45, +# usno1995 says it's +12:45/+13:45, and IATA SSIM (1991/1999) # gives the NZ rules but with transitions at 2:45 local standard time. -# Guess that they adopted DST in 1990. +# Guess that they have been in lock-step with NZ since 1990. ############################################################################### + # Fiji -# Howse writes (p 162) that in 1879 the British governor of Fiji -# enacted an ordinance standardizing the islands on +12:00. -# Perhaps it didn't take. We go with Shanks's more precise date in 1915. +# Howse writes (p 153) that in 1879 the British governor of Fiji +# enacted an ordinance standardizing the islands on Antipodean Time +# instead of the American system (which was one day behind). # From Rives McDow (1998-10-08): # Fiji will introduce DST effective 0200 local time, 1998-11-01 # until 0300 local time 1999-02-28. Each year the DST period will # be from the first Sunday in November until the last Sunday in February. +# From Paul Eggert (2000-01-08): +# IATA SSIM (1999-09) says DST ends 0100 local time. Go with McDow. + # From the BBC World Service (1998-10-31 11:32 UTC): # The Fijiian government says the main reasons for the time change is to # improve productivity and reduce road accidents. But correspondents say it @@ -912,10 +925,12 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # islands in the effort to attract tourists to witness the dawning of the new # millenium. + # Johnston # Johnston data is from usno1995. + # Kiribati # From Paul Eggert (1996-01-22): @@ -923,6 +938,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # ``declared it the same day throught the country as of Jan. 1, 1995'' # as part of the competition to be first into the 21st century. + # Kwajalein # In comp.risks 14.87 (26 August 1993), Peter Neumann writes: @@ -931,32 +947,160 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # respect to the International Date Line, to rejoin its fellow islands, # going from 11:59 p.m. Thursday to 12:00 m. Saturday in a blink. + # N Mariana Is, Guam -# Howse writes (p 162) ``The Spaniards, on the other hand, reached the +# Howse writes (p 153) ``The Spaniards, on the other hand, reached the # Philippines and the Ladrones from America,'' and implies that the Ladrones # (now called the Marianas) kept American date for quite some time. # Ignore this for now, as we have no hard data. See also Asia/Manila. + # Micronesia # Alan Eugene Davis writes (1996-03-16), # ``I am certain, having lived there for the past decade, that "Truk" # (now properly known as Chuuk) ... is in the time zone GMT+10.'' # -# Shanks writes that Truk switched from GMT+10 to GMT+11 on 1978-10-01; +# Shanks writes that Truk switched from UTC+10 to UTC+11 on 1978-10-01; # ignore this for now. +# From Paul Eggert (1999-10-29): +# The Federated States of Micronesia Visitors Board writes in +# +# The Federated States of Micronesia - Visitor Information +# (1999-01-26) +# that Truk and Yap are UTC+10, and Ponape and Kosrae are UTC+11. +# We don't know when Kosrae switched from UTC+12; assume January 1 for now. + + +# Pitcairn + +# From Rives McDow (1999-11-08): +# A Proclamation was signed by the Governor of Pitcairn on the 27th March 1998 +# with regard to Pitcairn Standard Time. The Proclamation is as follows. +# +# The local time for general purposes in the Islands shall be +# Co-ordinated Universal time minus 8 hours and shall be known +# as Pitcairn Standard Time. +# +# ... I have also seen Pitcairn listed as UTC minus 9 hours in several +# references, and can only assume that this was an error in interpretation +# somehow in light of this proclamation. + +# From Rives McDow (1999-11-09): +# The Proclamation regarding Pitcairn time came into effect on 27 April 1998 +# ... at midnight. + +# From Howie Phelps (1999-11-10), who talked to a Pitcairner via shortwave: +# Betty Christian told me yesterday that their local time is the same as +# Pacific Standard Time. They used to be 1/2 hour different from us here in +# Sacramento but it was changed a couple of years ago. + + # Samoa -# Howse writes that in 1879 the King of Samoa decided to change +# Howse writes (p 153, citing p 10 of the 1883-11-18 New York Herald) +# that in 1879 the King of Samoa decided to change # ``the date in his kingdom from the Antipodean to the American system, # ordaining -- by a masterpiece of diplomatic flattery -- that # the Fourth of July should be celebrated twice in that year.'' + # Tonga # From Paul Eggert (1996-01-22): # Today's _Wall Street Journal_ (p 1) reports that ``Tonga has been plotting # to sneak ahead of [New Zealanders] by introducing daylight-saving time.'' # Since Kiribati has moved the Date Line it's not clear what Tonga will do. + +# Don Mundell writes in the 1997-02-20 Tonga Chronicle +# +# How Tonga became `The Land where Time Begins' +# : + +# Until 1941 Tonga maintained a standard time 50 minutes ahead of NZST +# 12 hours and 20 minutes ahead of GMT. When New Zealand adjusted its +# standard time in 1940s, Tonga had the choice of subtracting from its +# local time to come on the same standard time as New Zealand or of +# advancing its time to maintain the differential of 13 degrees +# (approximately 50 minutes ahead of New Zealand time). +# +# Because His Majesty King Taufa'ahau Tupou IV, then Crown Prince +# Tungi, preferred to ensure Tonga's title as the land where time +# begins, the Legislative Assembly approved the latter change. +# +# But some of the older, more conservative members from the outer +# islands objected. "If at midnight on Dec. 31, we move ahead 40 +# minutes, as your Royal Highness wishes, what becomes of the 40 +# minutes we have lost?" +# +# The Crown Prince, presented an unanswerable argument: "Remember that +# on the World Day of Prayer, you would be the first people on Earth +# to say your prayers in the morning." + +# From Paul Eggert (1999-08-12): +# Shanks says the transition was on 1968-10-01; go with Mundell. + +# From Eric Ulevik (1999-05-03): +# Tonga's director of tourism, who is also secretary of the National Millenium +# Committee, has a plan to get Tonga back in front. +# He has proposed a one-off move to tropical daylight saving for Tonga from +# October to March, which has won approval in principle from the Tongan +# Government. + +# From Steffen Thorsen [straen@thorsen.priv.no] (1999-09-09): +# * Tonga will introduce DST in November +# +# I was given this link by John Letts : +# +# http://news.bbc.co.uk/hi/english/world/asia-pacific/newsid_424000/424764.stm +# +# +# I have not been able to find exact dates for the transition in November +# yet. By reading this article it seems like Fiji will be 14 hours ahead +# of UTC as well, but as far as I know Fiji will only be 13 hours ahead +# (12 + 1 hour DST). + +# From Arthur David Olson [arthur_david_olson@nih.gov] (1999-09-20): +# According to (1996-11-22): +# From Paul Eggert (1999-10-29): # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (4th edition), -# San Diego: ACS Publications, Inc. (1995). +# Thomas G. Shanks, The International Atlas (5th edition), +# San Diego: ACS Publications, Inc. (1999). # -# Gwillim Law writes that a good source +# Gwillim Law writes that a good source # for recent time zone data is the International Air Transport # Association's Standard Schedules Information Manual (IATA SSIM), # published semiannually. Law sent in several helpful summaries # of the IATA's data after 1990. # -# Except where otherwise noted, Shanks is the source for entries through 1990, -# and IATA SSIM is the source for entries after 1990. +# Except where otherwise noted, Shanks is the source for entries through 1991, +# and IATA SSIM is the source for entries afterwards. # # Other sources occasionally used include: # @@ -46,8 +47,7 @@ # 3:00 MSK MSD Moscow # # A reliable and entertaining source about time zones, especially in Britain, -# is Derek Howse, Greenwich time and the discovery of the longitude, -# Oxford University Press (1980). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # From Peter Ilieve (1994-12-04), # The original six [EU members]: Belgium, France, (West) Germany, Italy, @@ -74,7 +74,6 @@ ############################################################################### # Britain (United Kingdom) and Ireland (Eire) -# The UK and its colonies adopted the Gregorian calendar on 1752-09-14. # From Peter Ilieve (1994-07-06): # @@ -102,31 +101,32 @@ # Howse writes that Britain was the first country to use standard time. # The railways cared most about the inconsistencies of local mean time, # and it was they who forced a uniform time on the country. -# The original idea was credited to Dr. William Hyde Wollaston (1766-1828); -# it was popularized in 1840 by Capt. Basil Hall, RN (1788-1844), -# famed explorer and former Commissioner for Longitude. +# The original idea was credited to Dr. William Hyde Wollaston (1766-1828) +# and was popularized by Abraham Follett Osler (1808-1903). # The first railway to adopt London time was the Great Western Railway # in November 1840; other railways followed suit, and by 1847 most -# (though not all) railways used London time. On 1847 Sep 22 the +# (though not all) railways used London time. On 1847-09-22 the # Railway Clearing House, an industry standards body, recommended that GMT be -# adopted at all stations; the January 1848 Bradshaw's lists most major +# adopted at all stations as soon as the General Post Office permitted it. +# The transition occurred on 12-01 for the L&NW, the Caledonian, +# and presumably other railways; the January 1848 Bradshaw's lists many # railways as using GMT. By 1855 the vast majority of public -# clocks in Britain were set to GMT (though some, like the Great Clock -# in Tom Tower at Christ Church, Oxford, were fitted with two minute hands, +# clocks in Britain were set to GMT (though some, like the great clock +# on Tom Tower at Christ Church, Oxford, were fitted with two minute hands, # one for local time and one for GMT). The last major holdout was the legal # system, which stubbornly stuck to local time for many years, leading # to oddities like polls opening at 08:13 and closing at 16:13. # The legal system finally switched to GMT when the Statutes (Definition -# of Time) Act took effect; it received the Royal Assent on 1880 Aug 2. +# of Time) Act took effect; it received the Royal Assent on 1880-08-02. # # In the tables below, we condense this complicated story into a single -# transition date for London, namely 1847 Sep 22. We don't know as much -# about Dublin, so we use 1880 Aug 2, the legal transition time. +# transition date for London, namely 1847-12-01. We don't know as much +# about Dublin, so we use 1880-08-02, the legal transition time. # From Paul Eggert (1999-01-30): # Summer Time was first seriously proposed by William Willett (1857-1915), # a London builder and member of the Royal Astronomical Society -# who circulated a pamphlet ``Waste of Daylight'' (1907) +# who circulated a pamphlet ``The Waste of Daylight'' (1907) # that proposed advancing clocks 20 minutes on each of four Sundays in April, # and retarding them by the same amount on four Sundays in September. # A bill was drafted in 1909 and introduced in Parliament several times, @@ -156,558 +156,22 @@ # time of sunrise and sunset in The Times, when BDST was in effect, and # if you find a zone reference it will say, "All times B.D.S.T." -# From Peter Ilieve (1998-04-19): -# The following list attempts to show the complete history of Summer Time -# legislation in the United Kingdom, and has quite a bit to say about -# the Isle of Man and the Channel Islands as well. -# -# Things that I have not personally seen are marked (???). Things that -# I haven't seen but Joseph Myers has are marked (jsm). The problem -# with finding old Orders (rather than Acts) is that nobody seems to -# keep the actual documents themselves, not even the Government. They -# get bound into annual volumes, which are published, but by the time -# this happens the Orders are mainly spent as the years they refer -# to have come and gone, so they don't get included in the annual -# volumes. -# -# Thanks are due to my learned legal friend Lorna Montgomerie, who dug out -# the dusty old statutes, to Melanie Allison of the Ministry of Defence, -# who provided the wartime regulations and a snippet of Hansard explaining -# why double summer time started on a Monday in 1945 (it was Easter), -# and to Joseph Myers , who tracked down the Orders -# up to 1945, some of the old Acts, and the first five EC Directives. -# -# Some definitions: -# -# Great Britain: England, Scotland and Wales -# United Kingdom: Great Britain plus Ireland (up to 1922) or Northern -# Ireland (since 1922) -# S.I.: Statutory Instrument, the modern name for secondary legislation -# S.R.&O.: Statutory Rules and Orders, the older name for secondary legislation -# -# Unless otherwise specified, Acts and secondary legislation are assumed -# to apply throughout the United Kingdom, but not to the Isle of Man -# or the Channel Islands. -# -# Some of the Acts and Orders I found in various libraries, and I don't -# have copies. When I looked at them I was looking for dates and not things -# like whether they applied to the Bailiwick of Jersey. I will try to -# check these documents again. -# -# --- -# -# - The Statutes (Definition of Time) Act, 1880 (43 & 44 Vict. c. 9) -# -# Defined Greenwich mean time to be the standard time in Great Britain -# and Dublin mean time to be the standard time in Ireland, superseding -# various forms of local mean time. -# -# - The Statutory Time Act, 1883 (???) -# -# An Act of Tynwald, the Isle of Man Parliament. It appears to have -# defined the standard time on the Isle of Man as GMT but as I haven't -# seen it I don't know if it used Greenwich mean time, some other definition, -# or just said that Isle of Man time would be the same as in Great Britain. -# -# - The Isle of Man (War Legislation) Act, 1914 (4 & 5 Geo. 5. c. 62) -# -# Gives the power, by Order in Council, to extend wartime legislation -# to the Isle of Man. -# -# - The Summer Time Act, 1916 (6 & 7 Geo. 5. c. 14) -# -# Introduced Summer Time for the first time, in Great Britain and Ireland. -# Specified a one hour offset from GMT (DMT in Ireland), dates of -# Sunday 21 May and Sunday 1 October and times of 02:00 (GMT/DMT). -# Gave a power to make Orders in subsequent years, for the duration -# of the then current war. -# -# - The Time (Ireland) Act, 1916 (6 & 7 Geo. 5. c. 45) -# -# This abolished Dublin mean time at 02:00 DMT on Sunday 1 October 1916, -# bringing the whole of the United Kingdom onto GMT. As Ireland was behind -# GMT/BST at 02:00 DMT on 1 Oct Great Britain had already put the clocks back. -# Using Paul Eggert's suggestion of IST for Irish Summer Time and the figure -# derived from Whitman for the offset of IST from GMT (00:34:39) the sequence -# would have been: -# Dublin London -# 02:34:38 IST 02:59:59 BST -# 02:34:39 IST 02:00:00 GMT -# 02:59:59 IST 02:25:20 GMT -# 02:25:21 GMT 02:25:21 GMT -# with the transition 03:00:00 IST -> 02:00:00 DMT -> 02:25:21 GMT all at once. -# -# - S.R.&O. 1916, No. 382 -# -# An Order made under the Isle of Man (War Legislation) Act, 1914 -# extending the Summer Time Act, 1916 to the Isle of Man. Dated -# 23 May 1916, two days after the start of Summer Time, but it says that -# the Act is deemed to have taken effect in the Isle of Man at the same -# time as it took effect in the United Kingdom. -# -# - S.R.&O. 1917, No. 362 -# -# An Order made under the Summer Time Act, 1916 giving dates -# for Summer Time in 1917 of Sunday 8 April to Monday 17 September, -# both at 02:00 GMT. Note that Summer Time ends on a Monday. -# -# - S.R.&O. 1917, No. 358 -# -# An Order made under the Summer Time (Isle of Man) Act, 1916 -# (the thing created by S.R.&O. 1916, No. 382) specifying the same -# dates of 8 April to 17 September, at 02:00 GMT for the Isle of Man. -# -# - S.R.&O. 1918, No. 274 -# -# An Order made under the Summer Time Act, 1916 giving dates -# for Summer Time in 1918 of Sunday 24 March to Monday 30 September, -# both at 02:00 GMT. -# -# - S.R.&O. 1918, No. 429 -# -# The matching Isle of Man Order for 1918 with the same dates and times. -# -# - The Termination of the Present War (Definition) Act, 1918 -# (8 & 9 Geo. 5. c. 59) -# -# This gave power to specify a legal end date for the war just ended, -# which would affect things like the Summer Time Act, 1916, which applied -# only in wartime. This date was to be close to the date of formal -# ratification of the treaty or treaties of peace. -# -# - S.R.&O. 1919, No. 297 -# -# An Order made under the Summer Time Act, 1916 giving dates -# for Summer Time in 1919 of Sunday 30 March to Monday 29 September, -# both at 02:00 GMT. -# -# - S.R.&O. 1919, No. 366 -# -# The matching Isle of Man Order for 1919 with the same dates and times. -# -# - S.R.&O. 1920, No. 458 -# -# An Order made under the Summer Time Act, 1916 giving dates -# for Summer Time in 1920 of Sunday 28 March to Monday 27 September, -# both at 02:00 GMT. -# -# - S.R.&O. 1920, No. 573 -# -# The matching Isle of Man Order for 1920 with the same dates and times. -# -# - S.R.&O. 1920, No. 1844 -# -# An Order modifying both S.R.&O. 1920, No. 458 and S.R.&O. 1920, No. 573 to -# change the end date for Summer Time from Monday 27 September to -# Monday 25 October (the time remaining 02:00 GMT). The 1989 Green -# Paper (Cm 722) says this was done because of a coal strike. -# -# - The War Emergency Laws (Continuance) Act, 1920 (10 Geo. 5. c. 5) -# -# This extends the power to make Orders under the Summer Time Act, 1916 -# for a period of 12 months after the termination of the war. -# Came into force on 31 March 1920. Although the war had been over for more -# than 12 months by then the legal end date had not yet been set. -# -# - S.R.&O. 1921, No. 363 -# -# An Order made under the Summer Time Act, 1916 and the War -# Emergency Laws (Continuance) Act, 1920 giving dates for Summer Time -# in 1921 of Sunday 3 April to Monday 3 October, both at 02:00 GMT. -# -# - S.R.&O. 1921, No. 364 -# -# The matching Isle of Man Order for 1921 with the same dates and times. -# -# - S.R.&O. 1922, No. 264 -# -# An Order made under the Summer Time Act, 1916 and the War -# Emergency Laws (Continuance) Act, 1920 giving dates for Summer Time -# in 1921 of Sunday 26 March to Sunday 8 October, both at 02:00 GMT. -# It also mentions the arrangements for defining the legal end date -# for the late war. An Order was made on 10 August 1921, under the -# Termination of the Present War (Definition) Act, 1918, setting -# a date of 31 August 1921. This means the powers of the Summer Time -# Act, 1916 would finally expire on 31 August 1922. -# -# - S.R.&O. 1922, No. 290 (???) -# -# This is probably the matching Isle of Man Order. -# -# - The Summer Time Act, 1922 (12 & 13 Geo. 5. c. 22) -# -# This specifies an offset of 1 hour and dates of the day after the third -# Saturday in April, unless that be Easter, in which case it is the day after -# the second Saturday, and the day after the third Saturday in September. -# The time is 02:00 GMT. It applied in 1922 and 1923, and longer if Parliament -# so approved. It applied to the Isle of Man and the Channel Islands as well. -# Came into Force on 20 July 1920. Note the reversion to ending on a Sunday. -# -# - S.R.&O. 1922, No. 1205 -# -# An Order made under the War Emergency Laws (Continuance) Act, 1920 -# dated 13 October 1922. It revokes (among other things) the Order extending -# the Summer Time Act, 1916 to the Isle of Man. -# -# - The Expiring Laws Continuance Act, 1923 (13 & 14 Geo. 5. c. 37) -# -# This extended the Summer Time Act, 1922 (among other things) until -# 31 December 1924. -# -# - The Expiring Laws Continuance Act, 1924 (15 Geo. 5. c. 1) (jsm) -# -# This further extended the Summer Time Act, 1922 (among other things) until -# 31 December 1925. -# -# - The Time Act (Northern Ireland), 1924 (14 & 15 Geo. 5. c. 24 (N.I.)) -# -# This Act says that while it remains in force, any Act or Order relating -# to the time for general purposes in Great Britain shall also apply -# in Northern Ireland, and the Time (Ireland) Act, 1916 shall have effect -# accordingly. -# -# - The Summer Time Act, 1925 (15 & 16 Geo. 5. c. 64) -# -# This makes the 1922 Act permanent, with a change to the end date to the -# day after the first Saturday in October. Came into force on 7 August 1925. -# -# - The Emergency Powers (Defence) Act, 1939 (2 & 3 Geo. 6. c. 62) (???) -# -# I haven't seen this one. It presumably gave the Government powers to -# do all manner of things during the newly started war. -# -# - The Defence (Summer Time) Regulations, 1939, S.R.&O. 1939, No. 1379 -# -# These were made under the Emergency Powers (Defence) Act, 1939. -# They change the end date to be the day after the third Saturday in November. -# -# - S.R.&O. 1940, No. 172 -# -# An Order in Council amending the Defence (Summer Time) Regulations, 1939. -# It changed the start date to the day after the fourth Saturday in February -# (ie. 25 Feb 1940). -# -# - S.R.&O. 1940, No. 1883 -# -# Another Order amending the Defence (Summer Time) Regulations, 1939. -# This continues summer time throughout the year after it starts in 1940. -# -# - S.R.&O. 1941, No. 476 -# -# Another Order amending the Defence (Summer Time) Regulations, 1939. -# This introduces double summer time, starting at 01:00 GMT on the day after -# the first Saturday in May and ending at 01:00 GMT on the day after the -# second Saturday in August, offset another hour from normal summer time, -# which continues throughout the rest of the year. -# -# - S.R.&O. 1942, No. 506 -# -# Another Order amending the Defence (Summer Time) Regulations, 1939. -# This changes the start date of Double Summer Time to the day after the first -# Saturday in April, bringing it forward from May. -# -# - S.R.&O. 1944, No. 932 -# -# Another Order amending the Defence (Summer Time) Regulations, 1939. -# This changed the end date of Double Summer Time to the day after the -# third Saturday in September (ie. 17 September 1944). -# -# - S.R.&O. 1945, No. 312 -# -# Another Order amending the Defence (Summer Time) Regulations, 1939. -# This changes the start and end dates of Double Summer Time to the -# day after the first Sunday in April and the day after the second Saturday -# in July (ie. Mon 2 April to Sun 15 July). -# -# I have this quote from Hansard (the official record of the United Kingdom -# Parliament), Oral Answers, 1 March 1945, cols 1559--60, explaining the -# unusual start on a Monday: -# -# `58. Major Sir Goronwy Owen asked the Secretary of State for the Home -# Department if he is now able to state the Government's proposals -# regarding double summer time. -# -# [two other similar questions omitted] -# -# Mr. H. Morrison: The Government, in reviewing the matter, have -# considered, [...] the conclusion has been reached that the adoption of -# double summer time from the beginning of April is essential to the -# maintenance of the war effort. [...] As 1st April is Easter Sunday, -# when very early services are held in many churches, it is proposed that -# double summer time shall start not in the night preceding Easter -# Sunday, but in the night of Sunday-Monday so that it will operate from -# Monday, 2nd April.' -# -# - S.R.&O. 1945, No. 1208 -# -# An Order under the Emergency Powers (Defence) Acts, 1939 and 1940 revoking -# a long list of things, including the Defence (Summer Time) Regulations, 1939. -# This meant that Summer Time reverted to being set by the 1922 and 1925 Acts. -# It was made on 28 September, early enough to end Summer Time on the -# date defined by the 1925 Act: 7 October. -# -# - The Summer Time Act, 1947 (10 & 11 Geo. 6. c. 16) -# -# Came into force on 11 March 1947. Amended the Summer Time Acts, 1922 and -# 1925 to change the dates of Summer Time and to introduce Double Summer Time -# (although it doesn't give this, or any, name for this period of 2 hour -# offset from GMT). Dates are given for 1947 only and are: 02:00 GMT Sunday -# 16 March, 01:00 GMT Sunday 13 April, 01:00 GMT Sunday 10 August, and 02:00 -# Sunday 2 November. It gave a power to make Orders for subsequent years, -# both to vary the dates and to continue Double Summer Time. It applied -# to the Isle of Man and the Channel Islands. -# -# - Summer Time Order, 1948 (S.I. 1948/495) -# -# An Order made under the Summer Time Act, 1947. Gave dates for 1948 of -# 14 March and 31 October, both at 02:00 GMT. -# -# Although the 1947 Act had legislated for Double Summer Time, this was -# not continued after 1947. -# -# - Summer Time Order, 1949 (S.I. 1949/373) -# -# Another Order made under the Summer Time Act, 1947. Gave dates for 1949 -# of 3 April and 30 October, both at 02:00 GMT. -# -# - Summer Time Order, 1950 (S.I. 1950/518) -# -# Another Order made under the Summer Time Act, 1947. Gave dates for 1950 -# of 16 April and 22 October, both at 02:00 GMT. -# -# - Summer Time Order, 1951 (S.I. 1951/430) -# -# Another Order made under the Summer Time Act, 1947. Gave dates for 1951 -# of 15 April and 21 October, both at 02:00 GMT. -# -# - Summer Time Order, 1952 (S.I. 1952/451) -# -# Another Order made under the Summer Time Act, 1947. Gave dates for 1952 -# of 20 April and 26 October, both at 02:00 GMT. -# -# This is the last of this run of Orders, so for 1953 things reverted -# to the 1922 and 1925 Acts. -# -# - The Interpretation Act (Northern Ireland), 1954 (1954 c. 33 (N.I.)) (???) -# -# I presume that section 39 of this Act is similar to section 9 of the -# Interpretation Act, 1978 (listed below) in specifying GMT as the -# legal time in Northern Ireland, replacing the Time (Ireland) Act, 1916. -# -# - Summer Time Order, 1961 (S.I. 1961/71) -# -# Specified dates of 26 March and 29 October (02:00 GMT) for 1961 -# -# - Summer Time (1962) Order, 1961 (S.I. 1961/2465) -# -# Specified dates of 25 March to 28 October (02:00 GMT) for 1962. -# -# - Summer Time Order, 1963 (S.I. 1963/81) -# -# Specified dates of 31 March to 27 October (02:00 GMT) for 1963. -# -# - Summer Time (1964) Order, 1963 (S.I. 1963/2101) -# -# Specified dates of 22 March to 25 October (02:00 GMT) for 1964. -# -# - Summer Time Order, 1964 (S.I. 1964/1201) -# -# Specified dates for three years (all 02:00 GMT): -# 1965: 21 March to 24 October -# 1966: 20 March to 23 October -# 1967: 19 March to 29 October -# -# - Summer Time Order, 1967 (S.I. 1967/1148) -# - Summer Time Order, 1968 (S.I. 1968/117) -# -# The first of these specifies dates for 1968 of 18 February for the United -# Kingdom but 7 April for the Isle of Man, both ending on 27 October, -# all at 02:00 GMT. The second Order changes the Isle of Man start date -# to 18 February to match the United Kingdom. -# -# - The British Standard Time Act 1968 (1968 c. 45) -# -# This came into force on 27 October 1968 and continued summer time throughout -# the year. It expired at 02:00 GMT on 31 October 1971, as specified in the -# Act, as Parliament did not move to make this experment permanent. -# It applied to the Isle of Man and the Channel Islands. -# -# Interestingly, it says baldly `This Act shall come into force on -# 27 October 1968', without giving a time. As S1 of the Act merely -# stated that `The time for general purposes in the United Kingdom -# (to be known as British standard time) shall be one hour in -# advance of Greenwich mean time throughout the year; ...' you could -# possibly argue that the start time of BStandardT was 00:00 1968-10-27, -# especially as the Act repealed the Summer Time Acts 1916--1947 in toto, -# thereby destroying the authority of the Summer Time Order specifying -# summer time in 1968. -# -# - The Manx Time Act 1968 -# -# This is an Act of Tynwald (the Isle of Man Parliament) that said that -# henceforth Manx time would be the same as the time in Great Britain. -# -# - The Summer Time Act 1972 (1972 c. 6) -# -# This specified a reversion to normal Summer Time behaviour with a start -# date of the day after the third Saturday in March, unless that is Easter, -# when it is the day after the second Saturday, and an end date of the day -# after the fourth Saturday in October. Times are at 02:00 GMT, offset is -# 1 hour. It gives the power to make Orders to vary these dates and -# times. This Act is still in force and is the legal authority for -# implementing the EC Directives in the United Kingdom. -# -# - The Interpretation Act 1978 (1978 c. 30) -# -# Section 9 of this Act replaces section 1 of the Statutes (Definition of -# Time) Act, 1880 with very similar wording maintaining GMT as the legal -# time in Great Britain. This does not apply in Northern Ireland (it -# has its own Interpretation Act listed above). -# -# - Council Directive of 22 July 1980 on summertime arrangements (80/737/EEC) -# -# The first of the European Directives on Summer Time. It specified start -# dates for 1981 and 1982. No agreement had been reached on end dates. -# Only dates were given, there was no rule like `last Sunday in March'. -# The main change for the United Kingdom was a move to a 01:00 GMT change -# time. The dates: -# 1981: 29 March -# 1982: 28 March -# -# - Summer Time Order, 1980 (S.I. 1980/1089) -# -# Specified dates for 1981 and 1982, with the start dates as in the -# EC Directive and all times 01:00 GMT: -# 1981: 29 March to 25 October -# 1982: 28 March to 24 October -# -# - Second Council Directive of 10 June 1982 on summertime arrangements -# (82/399/EEC) -# -# The next European Directive. Specified dates for three years, 1983 to 1985. -# Agreement still hadn't been reached on a common end date, and wouldn't -# be until 1994 with the appeareance of the seventh Directive with a common -# date for 1996 and beyond, but this time the Directive gave two sets of -# end dates. The start date was specified by rule: the last Sunday in March. -# All times were 01:00 GMT. The end dates were given without rule, as: -# 1983: 25 September or 23 October -# 1984: 30 September or 28 october -# 1985: 29 September or 27 October -# -# - Summer Time Order, 1982 (S.I. 1982/1673) -# -# Implemented the second EC Directive, using the October end dates. -# 1983: 27 March to 23 October -# 1984: 25 March to 28 october -# 1985: 31 March to 27 October -# -# - Third Council Directive of 12 December 1984 on summertime arrangements -# (84/634/EEC) -# -# Specified start dates of the last Sunday in March and two sets of end -# dates, last Sunday in September and fourth Sunday in October, all at -# 01:00 GMT. The end dates were also specified as dates: -# 1986: 28 September or 26 October -# 1987: 27 September or 25 October -# 1988: 25 September or 23 October -# -# - Summer Time Order, 1986 (S.I. 1986/223) -# -# Implemented the third EC Directive, using the October end dates. -# 1986: 30 March to 26 October -# 1987: 29 March to 25 October -# 1988: 27 March to 23 October -# -# - Council Directive of 20 December 1985 amending Directive 84/634/EEC -# on summertime arrangements (85/582/EEC) -# -# This was to do with the accession of Spain and Portugal to the EEC. -# The previous directve had used wording like `Member States belonging -# to the zero (Greenwich) time zone' when refering to the different -# sets of end dates. Portugal was in that time zone but was not going -# to follow the United Kingdom and Ireland dates, so the text was reworded -# without any change to the dates themselves. -# -# - Fourth Council Directive of 22 December 1987 on summertime arrangements -# (88/14/EEC) -# -# This Directive covered only a single year: 1989. My guess is that -# this was because 1989 was one of the years when the historic United Kingdom -# end date of the Sunday after the fourth Saturday in October differed from -# the rule in the previous Directive of the fourth Sunday in October. -# All times are 01:00 GMT. No rule was specified, specific dates were given: -# 1989: 26 March to 24 September or 29 October -# -# - Summer Time Order, 1988 (S.I. 1988/931) -# -# Implemented the dates of 26 March to 29 October for 1989. -# -# - Fifth Council Directive of 21 December 1988 on summertime arrangements -# (89/47/EEC) -# -# Covered the three years 1990 to 1992. All times are 01:00 GMT. Gave both -# rules (last Sunday in March, last Sunday in September or fourth Sunday -# in October) and specific dates: -# 1990: 25 March to 30 September or 28 October -# 1991: 31 March to 29 September or 27 October -# 1992: 29 March to 27 September or 25 October -# -# - Summer Time Order, 1989 (S.I. 1989/985) -# -# Implemented the fifth Directive using the October end dates. -# -# - Sixth Council Directive 92/20/EEC of 26 March 1992 on summertime -# arrangements -# -# Covered the two years 1993 and 1994. All times are 01:00 GMT. Specified -# both rules (same as the fifth Directive) and specific dates: -# 1993: 28 March to 26 September or 24 October -# 1994: 27 March to 25 September or 23 October -# -# - Summer Time Order, 1992 (S.I. 1992/1729) -# -# Implemented the sixth Directive using the October end dates. -# -# - Seventh Directive 94/21/EC of the European Parliament and of the Council -# of 30 May 1994 on summer-time arrangements -# -# Covered the three years 1995 to 1997. Agreement had finally been reached -# on a common end date, to start in 1996. Both rules and dates were given. -# The rules were the same last Sunday in March to last Sunday in September -# or fourth Sunday in October for 1995, with the end rule changing to the -# last Sunday in October for 1996 and 1997. The year 1995 was another of -# the tricky ones where the EC and traditional United Kingdom rules differed -# but this time the UK changed on the fourth Sunday, 22 October, earlier -# than usual. All times are 01:00 GMT. Specific dates were also given: -# 1995: 26 March to 24 September or 22 October -# 1996: 31 March to 27 October -# 1997: 30 March to 26 October -# -# - Summer Time Order 1994 (S.I. 1994/2798) -# -# Implements the seventh Directive using the October end date in 1995. -# Applies also to the Bailiwick of Guernsey but not to the Bailiwick of -# Jersey or the Isle of Man, which have their own (unspecified) legislation -# on the subject. -# -# - Eighth Directive 97/44/EC of the European Parliament and of the Council -# of 22 July 1997 on summer-time arrangements -# -# Covers four years: 1998 to 2001. All times are 01:00 GMT. Specifies both -# rules, last Sunday in March and last Sunday in October, and specific dates: -# 1998: 29 March to 25 October -# 1999: 28 March to 31 October -# 2000: 26 March to 29 October -# 2001: 25 March to 28 October -# -# -# - Summer Time Order 1997 (S.I. 1997/2982) -# -# -# Implements the eighth Directive. Has the same text about the Isle of Man, -# Guernsey and Jersey as the 1994 Order. +# From Joseph S. Myers (1999-09-02): +# ... some military cables (WO 219/4100 - this is a copy from the +# main SHAEF archives held in the US National Archives, SHAEF/5252/8/516) +# agree that the usage is BDST (this appears in a message dated 17 Feb 1945). -# From Joseph S. Myers (1998-01-06): +# Howse writes (p 157) `DBST'; let's assume this is a typo. + +# Peter Ilieve (1998-04-19) described at length +# the history of summer time legislation in the United Kingdom. +# Since 1998 Joseph S. Myers has been updating +# and extending this list, which can be found in +# +# History of legal time in Britain +# (2000-02-12). + +# From Joseph S. Myers (1998-01-06): # # The legal time in the UK outside of summer time is definitely GMT, not UTC; # see Lord Tanlaw's speech @@ -715,19 +179,11 @@ # (Lords Hansard 11 June 1997 columns 964 to 976) # . -# From Paul Eggert (1996-06-12): +# From Paul Eggert (2000-02-17): # -# The date `20 April 1924' in the table of ``Summer Time: A -# Consultation Document'' (Cm 722, 1989) table is a transcription error; -# 20 April was an Easter Sunday. Shanks has 13 April, the correct date. -# Also, the table is not quite right for 1925 through 1938; the correct rules -# (which Shanks uses) are given in the Summer Time Acts of 1922 and 1925. -# Shanks and the UK Government paper disagree about the Apr 1956 transition; -# since we have no other data, and since Shanks was correct in the other -# points of disagreement about London, we'll believe Shanks for now. -# Also, for lack of other data, we'll follow Shanks for Eire in 1940-1948. +# For lack of other data, we'll follow Shanks for Eire in 1940-1948. # -# Given Peter Ilieve's comments, the following claims by Shanks are incorrect: +# Given Ilieve and Myers's data, the following claims by Shanks are incorrect: # * Wales did not switch from GMT to daylight saving time until # 1921 Apr 3, when they began to conform with the rest of Great Britain. # Actually, Wales was identical after 1880. @@ -739,16 +195,33 @@ # Actually, that date saw the usual switch to summer time. # Standard time was not changed until 1968-10-27 (the clocks didn't change). # -# The following claims by Shanks are possible though doubtful; -# we'll ignore them for now. +# Here is another incorrect claim by Shanks: # * Jersey, Guernsey, and the Isle of Man did not switch from GMT # to daylight saving time until 1921 Apr 3, when they began to # conform with Great Britain. +# S.R.&O. 1916, No. 382 and HO 45/10811/312364 (quoted above) say otherwise. +# +# The following claim by Shanks is possible though doubtful; +# we'll ignore it for now. # * Dublin's 1971-10-31 switch was at 02:00, even though London's was 03:00. # # # Whitman says Dublin Mean Time was -0:25:21, which is more precise than Shanks. +# From Paul Eggert (1999-03-28): +# Clive Feather (, 1997-03-31) +# reports that Folkestone (Cheriton) Shuttle Terminal uses Concession Time +# (CT), equivalent to French civil time. +# Julian Hill (, 1998-09-30) reports that +# trains between Dollands Moor (the freight facility next door) +# and Frethun run in CT. +# My admittedly uninformed guess is that the terminal has two authorities, +# the French concession operators and the British civil authorities, +# and that the time depends on who you're talking to. +# If, say, the British police were called to the station for some reason, +# I would expect the official police report to use GMT/BST and not CET/CEST. +# This is a borderline case, but for now let's stick to GMT/BST. + # From an anonymous contributor (1996-06-02): # The law governing time in Ireland is under Statutory Instrument SI 395/94, # which gives force to European Union 7th Council Directive # 94/21/EC. @@ -779,8 +252,8 @@ Rule GB-Eire 1921 only - Apr 3 2:00s 1:00 BST Rule GB-Eire 1921 only - Oct 3 2:00s 0 GMT # S.R.&O. 1922, No. 264 Rule GB-Eire 1922 only - Mar 26 2:00s 1:00 BST -# The Summer Time Act, 1922 Rule GB-Eire 1922 only - Oct 8 2:00s 0 GMT +# The Summer Time Act, 1922 Rule GB-Eire 1923 only - Apr Sun>=16 2:00s 1:00 BST Rule GB-Eire 1923 1924 - Sep Sun>=16 2:00s 0 GMT Rule GB-Eire 1924 only - Apr Sun>=9 2:00s 1:00 BST @@ -868,7 +341,7 @@ Rule GB-Eire 1990 1995 - Oct Sun>=22 1:00u 0 GMT # See EU for rules starting in 1996. # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/London -0:01:15 - LMT 1847 Sep 22 +Zone Europe/London -0:01:15 - LMT 1847 Dec 1 0:00 GB-Eire %s 1968 Oct 27 1:00 - BST 1971 Oct 31 2:00u 0:00 GB-Eire %s 1996 @@ -949,14 +422,11 @@ Rule E-Eur 1996 max - Oct lastSun 0:00 0 - Rule Russia 1917 only - Jul 1 23:00 1:00 MST # Moscow Summer Time Rule Russia 1917 only - Dec 28 0:00 0 MMT # Moscow Mean Time Rule Russia 1918 only - May 31 22:00 2:00 MDST # Moscow Double Summer Time -Rule Russia 1918 only - Sep 17 0:00 1:00 MST +Rule Russia 1918 only - Sep 16 1:00 1:00 MST Rule Russia 1919 only - May 31 23:00 2:00 MDST Rule Russia 1919 only - Jul 1 2:00 1:00 S Rule Russia 1919 only - Aug 16 0:00 0 - Rule Russia 1921 only - Feb 14 23:00 1:00 S -# Shanks gives 1921 Mar 21 for the following transition. -# From Andrey A. Chernov (1993-11-12): -# My sources says, that it is Mar 20, not 21. Rule Russia 1921 only - Mar 20 23:00 2:00 M # Midsummer Rule Russia 1921 only - Sep 1 0:00 1:00 S Rule Russia 1921 only - Oct 1 0:00 0 - @@ -1039,7 +509,6 @@ Rule Albania 1984 only - Apr 1 0:00 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Tirane 1:19:20 - LMT 1914 1:00 - CET 1940 Jun 16 -# The following transition is from Shanks's 4th edition (1995). 1:00 Albania CE%sT 1984 Jul 1:00 EU CE%sT @@ -1069,17 +538,17 @@ Zone Europe/Vienna 1:05:20 - LMT 1893 Apr 1:00 EU CE%sT # Belarus -# Transitions before 1991 are from Shanks (1995). # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Minsk 1:50:16 - LMT 1880 1:50 - MMT 1924 May 2 # Minsk Mean Time 2:00 - EET 1930 Jun 21 3:00 - MSK 1941 Jun 28 1:00 C-Eur CE%sT 1944 Jul 3 - 3:00 Russia MSK/MSD 1991 Mar 31 2:00s + 3:00 Russia MSK/MSD 1990 + 3:00 - MSK 1991 Mar 31 2:00s 2:00 1:00 EEST 1991 Sep 29 2:00s - 2:00 - EET 1992 Mar 29 2:00s - 2:00 1:00 EEST 1992 Sep 27 2:00s + 2:00 - EET 1992 Mar 29 0:00s + 2:00 1:00 EEST 1992 Sep 27 0:00s 2:00 Russia EE%sT # Belgium @@ -1150,6 +619,12 @@ Zone Europe/Brussels 0:17:30 - LMT 1880 # see Yugoslavia # Bulgaria +# +# From Plamen Simenov via Steffen Thorsen (1999-09-09): +# A document of Government of Bulgaria (No.94/1997) says: +# EET --> EETDST is in 03:00 Local time in last Sunday of March ... +# EETDST --> EET is in 04:00 Local time in last Sunday of October +# # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Bulg 1979 only - Mar 31 23:00 1:00 S Rule Bulg 1979 only - Oct 1 1:00 0 - @@ -1164,13 +639,13 @@ Zone Europe/Sofia 1:33:16 - LMT 1880 2:00 - EET 1979 Mar 31 23:00 2:00 Bulg EE%sT 1982 Sep 26 2:00 2:00 C-Eur EE%sT 1991 - 2:00 E-Eur EE%sT + 2:00 E-Eur EE%sT 1997 + 2:00 EU EE%sT # Croatia # see Yugosloavia # Czech Republic -# Gregorian calendar adopted 1584-01-17. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Czech 1945 only - Apr 8 2:00s 1:00 S Rule Czech 1945 only - Nov 18 2:00s 0 - @@ -1187,7 +662,6 @@ Zone Europe/Prague 0:57:44 - LMT 1850 1:00 EU CE%sT # Denmark, Faeroe Islands, and Greenland -# Gregorian calendar adopted 1700-03-01. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Denmark 1916 only - May 14 23:00 1:00 S Rule Denmark 1916 only - Sep 30 23:00 0 - @@ -1265,6 +739,20 @@ Zone America/Thule -4:35:08 - LMT 1916 Jul 28 # Pituffik # for their standard and summer times. He says no, they use "suveaeg" # (summer time) and "talveaeg" (winter time). +# From The Baltic Times (1999-09-09) +# via Steffen Thorsen: +# This year will mark the last time Estonia shifts to summer time, +# a council of the ruling coalition announced Sept. 6.... +# But what this could mean for Estonia's chances of joining the European +# Union are still unclear. In 1994, the EU declared summer time compulsory +# for all member states until 2001. Brussels has yet to decide what to do +# after that. + +# From Mart Oruaas (2000-01-29): +# Regulation no. 301 (1999-10-12) obsoletes previous regulation +# no. 206 (1998-09-22) and thus sticks Estonia to +02:00 GMT for all +# the year round. The regulation is effective 1999-11-01. + # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Tallinn 1:39:00 - LMT 1880 1:39:00 - TMT 1918 Feb # Tallinn Mean Time @@ -1276,10 +764,10 @@ Zone Europe/Tallinn 1:39:00 - LMT 1880 3:00 Russia MSK/MSD 1989 Mar 26 2:00s 2:00 1:00 EEST 1989 Sep 24 2:00s 2:00 C-Eur EE%sT 1998 Sep 22 - 2:00 EU EE%sT + 2:00 EU EE%sT 1999 Nov 1 + 2:00 - EET # Finland -# See Sweden for when the Gregorian calendar was adopted. # # From Hannu Strang (25 Sep 1994 06:03:37 UTC): # Well, here in Helsinki we're just changing from summer time to regular one, @@ -1299,12 +787,8 @@ Zone Europe/Helsinki 1:39:52 - LMT 1878 May 31 2:00 EU EE%sT # France -# Gregorian calendar adopted 1582-12-20. -# French Revolutionary calendar used 1793-11-24 through 1805-12-31, -# and (in Paris only) 1871-05-06 through 1871-05-23. # # Shanks seems to use `24:00' ambiguously; we resolve it with Whitman. -# From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule France 1916 only - Jun 14 23:00s 1:00 S Rule France 1916 1919 - Oct Sun>=1 23:00s 0 - @@ -1392,7 +876,6 @@ Rule Germany 1945 only - May 31 3:00 2:00 M # Midsummer Rule Germany 1945 only - Sep 23 3:00 1:00 S Rule Germany 1945 only - Nov 18 2:00s 0 - Rule Germany 1946 only - Apr 14 2:00s 1:00 S -# Shanks gives 1946-10-06; go with the PTB. Rule Germany 1946 only - Oct 7 2:00s 0 - Rule Germany 1947 1949 - Oct Sun>=1 2:00s 0 - Rule Germany 1947 only - Apr 6 2:00s 1:00 S @@ -1451,7 +934,6 @@ Zone Europe/Athens 1:34:52 - LMT 1895 Sep 14 2:00 EU EE%sT # Hungary -# Gregorian calendar adopted 1587-11-01. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Hungary 1918 only - Apr 1 3:00 1:00 S Rule Hungary 1918 only - Sep 29 3:00 0 - @@ -1510,10 +992,10 @@ Zone Europe/Budapest 1:16:20 - LMT 1890 Oct # might be a reference to the Julian calendar as opposed to Gregorian, or it # might mean something else (???). # -# From Paul Eggert (1993-12-09): +# From Paul Eggert (1999-10-29): # The Iceland Almanak, Shanks and Whitman disagree on many points. # We go with the Almanak, except for one claim from Shanks, namely that -# Reykavik was -1:28 from 1837 to 1908, local mean time before that. +# Reykavik was 21W57 from 1837 to 1908, local mean time before that. # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Iceland 1917 1918 - Feb 19 23:00 1:00 S @@ -1543,7 +1025,6 @@ Zone Atlantic/Reykjavik -1:27:24 - LMT 1837 0:00 - GMT # Italy -# Gregorian calendar adopted 1582-10-15. # # From Paul Eggert (1996-05-06): # For Italian DST we have three sources: Shanks, Whitman, and F. Pollastri @@ -1655,6 +1136,12 @@ Link Europe/Rome Europe/San_Marino # 1997-01-21 on transition to Summer time ... established the same order of # daylight savings time settings as in the States of the European Union. +# From Andrei Ivanov (2000-03-06): +# This year Latvia will not switch to Daylight Savings Time (as specified in +# +# The Regulations of the Cabinet of Ministers of the Rep. of Latvia of +# 29-Feb-2000 (#79), in Latvian for subscribers only). + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Latvia 1989 1996 - Mar lastSun 2:00s 1:00 S Rule Latvia 1989 1996 - Sep lastSun 2:00s 0 - @@ -1668,12 +1155,11 @@ Zone Europe/Riga 1:36:24 - LMT 1880 2:00 - EET 1940 Aug 5 3:00 - MSK 1941 Jul 1:00 C-Eur CE%sT 1944 Oct 13 - # Shanks says 1944-08-08, but - # Riga fell to the Red Army on 1944-10-13. 3:00 Russia MSK/MSD 1989 Mar lastSun 2:00s 2:00 1:00 EEST 1989 Sep lastSun 2:00s 2:00 Latvia EE%sT 1997 Jan 21 - 2:00 EU EE%sT + 2:00 EU EE%sT 2000 Feb 29 + 2:00 - EET # Liechtenstein # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1682,6 +1168,24 @@ Zone Europe/Vaduz 0:38:04 - LMT 1894 Jun 1:00 EU CE%sT # Lithuania + +# From Paul Eggert (1996-11-22): +# IATA SSIM (1992/1996) says Lithuania uses W-Eur rules, but since it is +# known to be wrong about Estonia and Latvia, assume it's wrong here too. + +# From Marius Gedminas (1998-08-07): +# I would like to inform that in this year Lithuanian time zone +# (Europe/Vilnius) was changed. + +# From ELTA No. 972 (2582) (1999-09-29), +# via Steffen Thorsen: +# Lithuania has shifted back to the second time zone (GMT plus two hours) +# to be valid here starting from October 31, +# as decided by the national government on Wednesday.... +# The Lithuanian government also announced plans to consider a +# motion to give up shifting to summer time in spring, as it was +# already done by Estonia. + # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Vilnius 1:41:16 - LMT 1880 1:24:00 - WMT 1917 # Warsaw Mean Time @@ -1695,14 +1199,8 @@ Zone Europe/Vilnius 1:41:16 - LMT 1880 2:00 1:00 EEST 1991 Sep 29 2:00s 2:00 C-Eur EE%sT 1998 2:00 - EET 1998 Mar 29 1:00u - 1:00 EU CE%sT -# From Paul Eggert (1996-11-22): -# IATA SSIM (1992/1996) says Lithuania uses W-Eur rules, but since it is -# known to be wrong about Estonia and Latvia, assume it's wrong here too. - -# From Marius Gedminas (1998-08-07): -# I would like to inform that in this year Lithuanian time zone -# (Europe/Vilnius) was changed. + 1:00 EU CE%sT 1999 Oct 31 1:00u + 2:00 EU EE%sT # Luxembourg # Whitman disagrees with most of these dates in minor ways; go with Shanks. @@ -1761,11 +1259,28 @@ Zone Europe/Malta 0:58:04 - LMT 1893 Nov 2 # Valletta # Moldova # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/Chisinau 1:55:20 - LMT 1924 May 2 - 2:00 - EET 1930 Jun 21 - 3:00 Russia MSK/MSD 1991 Mar 31 2:00s - 2:00 1:00 EEST 1991 Sep 29 2:00s - 2:00 E-Eur EE%sT +Zone Europe/Chisinau 1:55:20 - LMT 1880 + 1:55 - CMT 1918 Feb 15 # Chisinau MT + 1:44:24 - BMT 1931 Jul 24 # Bucharest MT + 2:00 Romania EE%sT 1940 Aug 15 + 2:00 1:00 EEST 1941 Jul 17 + 1:00 C-Eur CE%sT 1944 Aug 24 + 3:00 Russia MSK/MSD 1990 + 3:00 - MSK 1990 May 6 + 2:00 - EET 1991 + 2:00 Russia EE%sT 1992 + 2:00 E-Eur EE%sT 1997 +# See Romania commentary for the guessed 1997 transition to EU rules. + 2:00 EU EE%sT +Zone Europe/Tiraspol 1:58:32 - LMT 1880 + 1:55 - CMT 1918 Feb 15 # Chisinau MT + 1:44:24 - BMT 1931 Jul 24 # Bucharest MT + 2:00 Romania EE%sT 1940 Aug 15 + 2:00 1:00 EEST 1941 Jul 17 + 1:00 C-Eur CE%sT 1944 Aug 24 + 3:00 Russia MSK/MSD 1991 Mar 31 2:00 + 2:00 Russia EE%sT 1992 Jan 19 2:00 + 3:00 Russia MSK/MSD # Monaco # Shanks gives 0:09 for Paris Mean Time; go with Howse's more precise 0:09:21. @@ -1780,7 +1295,7 @@ Zone Europe/Monaco 0:29:32 - LMT 1891 Mar 15 # Howse writes that the Netherlands' railways used GMT between 1892 and 1940, # but for other purposes the Netherlands used Amsterdam mean time. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -# Shanks gives 1916 May 1 0:00 and 1916 Oct 1 0:00; go with Whitman. +# Shanks gives 1916 Apr 30 24:00 and 1916 Oct 1 00:00; go with Whitman. Rule Neth 1916 only - May 1 2:00s 1:00 NST # Netherlands Summer Time Rule Neth 1916 only - Oct 2 2:00s 0 AMT # Amsterdam Mean Time Rule Neth 1917 only - Apr 16 2:00s 1:00 NST @@ -1806,7 +1321,6 @@ Rule Neth 1937 1939 - Oct Sun>=2 2:00s 0 - Rule Neth 1938 1939 - May 15 2:00s 1:00 S Rule Neth 1945 only - Apr 2 2:00s 1:00 S Rule Neth 1945 only - May 20 2:00s 0 - -# Before 1937, Shanks says just `0:20'; we use Whitman's more precise figure. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Amsterdam 0:19:28 - LMT 1892 May 0:19:28 Neth %s 1937 Jul @@ -1816,7 +1330,6 @@ Zone Europe/Amsterdam 0:19:28 - LMT 1892 May 1:00 EU CE%sT # Norway -# Gregorian calendar adopted 1700-03-01. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # Whitman gives 1916 May 21 - 1916 Oct 21; go with Shanks. Rule Norway 1916 only - May 22 1:00 1:00 S @@ -1872,16 +1385,26 @@ Zone Europe/Warsaw 1:24:00 - LMT 1880 1:00 Poland CE%sT 1940 Jun 23 2:00 1:00 C-Eur CE%sT 1944 Oct 1:00 Poland CE%sT 1977 Apr 3 1:00 - 1:00 W-Eur CE%sT + 1:00 W-Eur CE%sT 1999 # IATA SSIM (1991/1996) gives EU rules, but the _The Warsaw Voice_ -# -# http://www.contact.waw.pl/voice/v361/NewsInBrief.shtml (1995-09-24) +# +# http://www.warsawvoice.com/pl/v361/NewsInBrief.shtml (1995-09-24) # # says the autumn 1995 switch was at 02:00. # Stick with W-Eur for now. +# +# From Marcin.Kasperski@softax.com.pl (1999-06-10): +# According to my colleagues someone recently decided, that Poland would +# follow European Union regulations, so - I think - the matter is not +# worth further discussion. +# +# From Paul Eggert (1999-06-10): +# Kasperski also writes that the government futzed with the rules in 1997 +# or 1998 but he doesn't remember the details. Assume they switched to +# EU rules in 1999. + 1:00 EU CE%sT # Portugal -# Gregorian calendar adopted 1582-10-15. # # From Rui Pedro Salgueiro (1992-11-12): # Portugal has recently (September, 27) changed timezone @@ -1986,6 +1509,14 @@ Zone Atlantic/Madeira -1:07:36 - LMT 1884 # Funchal 0:00 EU WE%sT # Romania +# +# From Paul Eggert (1999-10-07): +# +# Nine O'clock (1998-10-23) reports that the switch occurred at +# 04:00 local time in fall 1998. For lack of better info, +# assume that Romania and Moldova switched to EU rules in 1997, +# the same year as Bulgaria. +# # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Romania 1932 only - May 21 0:00s 1:00 S Rule Romania 1932 1939 - Oct Sun>=1 0:00s 0 - @@ -2002,24 +1533,16 @@ Zone Europe/Bucharest 1:44:24 - LMT 1891 Oct 2:00 Romania EE%sT 1981 Mar 29 2:00s 2:00 C-Eur EE%sT 1991 2:00 Romania EE%sT 1994 - 2:00 E-Eur EE%sT + 2:00 E-Eur EE%sT 1997 + 2:00 EU EE%sT # Russia -# From Chris Carrier <72157.3334@CompuServe.COM> (1996-12-02): -# On 1929-10-01 the Soviet Union instituted an ``Eternal Calendar'' -# with 30-day months plus 5 holidays, with a 5-day week. -# On 1931-12-01 it changed to a 6-day week; in 1934 it reverted to the -# Gregorian calendar while retaining the 6-day week; on 1940-06-27 it -# reverted to the 7-day week. With the 6-day week the usual days -# off were the 6th, 12th, 18th, 24th and 30th of the month. -# (Source: Evitiar Zerubavel, _The Seven Day Circle_) -# -# From Paul Eggert (1996-11-22): -# Except for Moscow after 1919-07-01, I invented the time zone abbreviations, -# and (unless otherwise specified) guessed what happened after 1991. +# From Paul Eggert (1999-11-12): +# Except for Moscow after 1919-07-01, I invented the time zone abbreviations. # Moscow time zone abbreviations after 1919-07-01, and Moscow rules after 1991, -# are from Andrey A. Chernov. The rest is from Shanks and the IATA. +# are from Andrey A. Chernov. The rest is from Shanks, except we follow +# Chernov's report that 1992 DST transitions were Sat 23:00, not Sun 02:00s. # # From Andrey A. Chernov (1996-10-04): # `MSK' and `MSD' were born and used initially on Moscow computers with @@ -2035,97 +1558,83 @@ Zone Europe/Bucharest 1:44:24 - LMT 1891 Oct # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Kaliningrad 1:22:00 - LMT 1893 Apr 1:00 C-Eur CE%sT 1945 - 2:00 Poland CET 1946 + 2:00 Poland CE%sT 1946 3:00 Russia MSK/MSD 1991 Mar 31 2:00s - 2:00 1:00 EEST 1991 Sep 29 2:00s - 2:00 - EET 1992 Jan 19 2:00s - 3:00 Russia MSK/MSD 1994 -# IATA SSIM (1994-02) says Kaliningrad is at UTC+2; guess 1994 change. 2:00 Russia EE%sT Zone Europe/Moscow 2:30:20 - LMT 1880 - 2:30:20 Russia %s 1919 Jul 1 2:00 + 2:30 - MMT 1916 Jul 3 # Moscow Mean Time + 2:30:48 Russia %s 1919 Jul 1 2:00 3:00 Russia MSK/MSD 1922 Oct 2:00 - EET 1930 Jun 21 3:00 Russia MSK/MSD 1991 Mar 31 2:00s - 2:00 1:00 EEST 1991 Sep 29 2:00s - 2:00 - EET 1992 Jan 19 2:00s + 2:00 Russia EE%sT 1992 Jan 19 2:00s 3:00 Russia MSK/MSD -Zone Europe/Samara 3:20:36 - LMT 1924 May 2 - 3:00 - KUYT 1957 Mar # Kuybyshev Time - 4:00 Russia KUY%sT 1991 Mar 31 2:00s - 3:00 1:00 KUYST 1991 Sep 29 2:00s - 3:00 - SAMT 1992 Jan 19 2:00s # Samara Time - 4:00 Russia SAM%sT -Zone Asia/Yekaterinburg 4:02:34 - LMT 1924 May 2 - 4:00 - SVET 1957 Mar # Sverdlovsk Time +Zone Europe/Samara 3:20:36 - LMT 1919 Jul 1 2:00 + 3:00 - KUYT 1930 Jun 21 # Kuybyshev + 4:00 Russia KUY%sT 1989 Mar 26 2:00s + 3:00 Russia KUY%sT 1991 Mar 31 2:00s + 2:00 Russia KUY%sT 1991 Sep 29 2:00s + 3:00 - KUYT 1991 Oct 20 3:00 + 4:00 Russia SAM%sT # Samara Time +Zone Asia/Yekaterinburg 4:02:24 - LMT 1919 Jul 15 4:00 + 4:00 - SVET 1930 Jun 21 # Sverdlovsk Time 5:00 Russia SVE%sT 1991 Mar 31 2:00s - 4:00 1:00 SVEST 1991 Sep 29 2:00s - 4:00 - SVET 1992 Jan 19 2:00s + 4:00 Russia SVE%sT 1992 Jan 19 2:00s 5:00 Russia YEK%sT # Yekaterinburg Time -Zone Asia/Omsk 4:53:36 - LMT 1924 May 2 - 5:00 - OMST 1957 Mar # Omsk Time +Zone Asia/Omsk 4:53:36 - LMT 1919 Nov 14 + 5:00 - OMST 1930 Jun 21 # Omsk TIme 6:00 Russia OMS%sT 1991 Mar 31 2:00s - 5:00 1:00 OMSST 1991 Sep 29 2:00s - 5:00 - OMST 1992 Jan 19 2:00s + 5:00 Russia OMS%sT 1992 Jan 19 2:00s 6:00 Russia OMS%sT # From Stanislaw A. Kuzikowski (1994-06-29): # But now it is some months since Novosibirsk is 3 hours ahead of Moscow! # I do not know why they have decided to make this change; # as far as I remember it was done exactly during winter->summer switching # so we (Novosibirsk) simply did not switch. -Zone Asia/Novosibirsk 5:31:40 - LMT 1924 May 2 - 6:00 - NOVT 1957 Mar # Novosibirsk Time +Zone Asia/Novosibirsk 5:31:40 - LMT 1919 Dec 14 6:00 + 6:00 - NOVT 1930 Jun 21 # Novosibirsk Time 7:00 Russia NOV%sT 1991 Mar 31 2:00s - 6:00 1:00 NOVST 1991 Sep 29 2:00s - 6:00 - NOVT 1992 Jan 19 2:00s - 7:00 Russia NOV%sT 1994 Mar 27 2:00s - 6:00 1:00 NOVST 1994 Sep 25 2:00s + 6:00 Russia NOV%sT 1992 Jan 19 2:00s + 7:00 Russia NOV%sT 1993 May 23 # says Shanks 6:00 Russia NOV%sT -Zone Asia/Krasnoyarsk 6:11:20 - LMT 1924 May 2 - 6:00 - KRAT 1957 Mar # Krasnoyarsk Time +Zone Asia/Krasnoyarsk 6:11:20 - LMT 1920 Jan 6 + 6:00 - KRAT 1930 Jun 21 # Krasnoyarsk Time 7:00 Russia KRA%sT 1991 Mar 31 2:00s - 6:00 1:00 KRAST 1991 Sep 29 2:00s - 6:00 - KRAT 1992 Jan 19 2:00s + 6:00 Russia KRA%sT 1992 Jan 19 2:00s 7:00 Russia KRA%sT Zone Asia/Irkutsk 6:57:20 - LMT 1880 - 6:57:20 - IMT 1924 May 2 # Irkutsk Mean Time - 7:00 - IRKT 1957 Mar # Irkutsk Time + 6:57:20 - IMT 1920 Jan 25 # Irkutsk Mean Time + 7:00 - IRKT 1930 Jun 21 # Irkutsk Time 8:00 Russia IRK%sT 1991 Mar 31 2:00s - 7:00 1:00 IRKST 1991 Sep 29 2:00s - 7:00 - IRKT 1992 Jan 19 2:00s + 7:00 Russia IRK%sT 1992 Jan 19 2:00s 8:00 Russia IRK%sT -Zone Asia/Yakutsk 8:38:40 - LMT 1924 May 2 - 8:00 - YAKT 1957 Mar # Yakutsk Time +Zone Asia/Yakutsk 8:38:40 - LMT 1919 Dec 15 + 8:00 - YAKT 1930 Jun 21 # Yakutsk Time 9:00 Russia YAK%sT 1991 Mar 31 2:00s - 8:00 1:00 YAKST 1991 Sep 29 2:00s - 8:00 - YAKT 1992 Jan 19 2:00s + 8:00 Russia YAK%sT 1992 Jan 19 2:00s 9:00 Russia YAK%sT -Zone Asia/Vladivostok 8:47:44 - LMT 1880 - 8:47:44 - VMT 1924 May 2 # Vladivostok MT - 9:00 - VLAT 1957 Mar # Vladivostok Time +Zone Asia/Vladivostok 8:47:44 - LMT 1922 Nov 15 + 9:00 - VLAT 1930 Jun 21 # Vladivostok Time 10:00 Russia VLA%sT 1991 Mar 31 2:00s - 9:00 1:00 VLAST 1991 Sep 29 2:00s - 9:00 - VLAT 1992 Jan 19 2:00s + 9:00 Russia VLA%sST 1992 Jan 19 2:00s 10:00 Russia VLA%sT Zone Asia/Magadan 10:03:12 - LMT 1924 May 2 - 10:00 - MAGT 1957 Mar # Magadan Time + 10:00 - MAGT 1930 Jun 21 # Magadan Time 11:00 Russia MAG%sT 1991 Mar 31 2:00s - 10:00 1:00 MAGST 1991 Sep 29 2:00s - 10:00 - MAGT 1992 Jan 19 2:00s + 10:00 Russia MAG%sT 1992 Jan 19 2:00s 11:00 Russia MAG%sT # This name should be Asia/Petropavlovsk-Kamchatski, but that's too long. -Zone Asia/Kamchatka 10:34:36 - LMT 1924 May 2 - 11:00 - PETT 1957 Mar # P-K Time +Zone Asia/Kamchatka 10:34:36 - LMT 1922 Nov 10 + 11:00 - PETT 1930 Jun 21 # P-K Time 12:00 Russia PET%sT 1991 Mar 31 2:00s - 11:00 1:00 PETST 1991 Sep 29 2:00s - 11:00 - PETT 1992 Jan 19 2:00s + 11:00 Russia PET%sT 1992 Jan 19 2:00s 12:00 Russia PET%sT Zone Asia/Anadyr 11:49:56 - LMT 1924 May 2 - 12:00 - ANAT 1957 Mar # Anadyr Time - 13:00 Russia ANA%sT 1991 Mar 31 2:00s - 12:00 1:00 ANAST 1991 Sep 29 2:00s - 12:00 - ANAT 1992 Jan 19 2:00s - 13:00 Russia ANA%sT + 12:00 - ANAT 1930 Jun 21 # Anadyr Time + 13:00 Russia ANA%sT 1982 Apr 1 0:00s + 12:00 Russia ANA%sT 1991 Mar 31 2:00s + 11:00 Russia ANA%sT 1992 Jan 19 2:00s + 12:00 Russia ANA%sT # Slovakia Link Europe/Prague Europe/Bratislava @@ -2134,7 +1643,6 @@ Link Europe/Prague Europe/Bratislava # see Yugoslavia # Spain -# Gregorian calendar adopted 1582-10-15. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # For 1917-1919 Whitman gives Apr Sat>=1 - Oct Sat>=1; go with Shanks. Rule Spain 1917 only - May 5 23:00s 1:00 S @@ -2205,32 +1713,6 @@ Zone Atlantic/Canary -1:01:36 - LMT 1922 Mar # Las Palmas de Gran C. # Ignore this for now, as the Canaries are part of the EU. # Sweden - -# From: msb@sq.com (Mark Brader) -# -# Subject: Re: Gregorian reform -- a part of locale? -# -# Date: 1996-07-06 -# -# In 1700, Denmark made the transition from Julian to Gregorian. Sweden -# decided to *start* a transition in 1700 as well, but rather than have one of -# those unsightly calendar gaps :-), they simply decreed that the next leap -# year after 1696 would be in 1744 -- putting the whole country on a calendar -# different from both Julian and Gregorian for a period of 40 years. -# -# However, in 1704 something went wrong and the plan was not carried through; -# they did, after all, have a leap year that year. And one in 1708. In 1712 -# they gave it up and went back to Julian, putting 30 days in February that -# year!... -# -# Then in 1753, Sweden made the transition to Gregorian in the usual manner, -# getting there only 13 years behind the original schedule. -# -# (A previous posting of this story was challenged, and Swedish readers -# produced the following references to support it: "Tiderakning och historia" -# by Natanael Beckman (1924) and "Tid, en bok om tiderakning och -# kalendervasen" by Lars-Olof Lode'n (no date was given).) - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Stockholm 1:12:12 - LMT 1878 May 31 1:12:12 - SMT 1900 Jan 1 1:00 # Stockholm MT @@ -2240,9 +1722,7 @@ Zone Europe/Stockholm 1:12:12 - LMT 1878 May 31 1:00 EU CE%sT # Switzerland -# The Gregorian calendar was introduced gradually in Switzerland, -# by omitting leap years during 1583-1812. -# From Howse (1988), p 82: +# From Howse: # By the end of the 18th century clocks and watches became commonplace # and their performance improved enormously. Communities began to keep # mean time in preference to apparent time -- Geneva from 1780 .... @@ -2250,7 +1730,7 @@ Zone Europe/Stockholm 1:12:12 - LMT 1878 May 31 # From Whitman (who writes ``Midnight?''): Rule Swiss 1940 only - Nov 2 0:00 1:00 S Rule Swiss 1940 only - Dec 31 0:00 0 - -# From Shanks (1991): +# From Shanks: Rule Swiss 1941 1942 - May Sun>=1 2:00 1:00 S Rule Swiss 1941 1942 - Oct Sun>=1 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -2273,7 +1753,6 @@ Rule Turkey 1922 only - Oct 8 0:00 0 - Rule Turkey 1924 only - May 13 0:00 1:00 S Rule Turkey 1924 1925 - Oct 1 0:00 0 - Rule Turkey 1925 only - May 1 0:00 1:00 S -# Shanks omits the first two transitions in 1940; go with Whitman. Rule Turkey 1940 only - Jun 30 0:00 1:00 S Rule Turkey 1940 only - Oct 5 0:00 0 - Rule Turkey 1940 only - Dec 1 0:00 1:00 S @@ -2324,53 +1803,61 @@ Zone Europe/Istanbul 1:55:52 - LMT 1880 Link Europe/Istanbul Asia/Istanbul # Istanbul is in both continents. # Ukraine -# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Ukraine 1917 only - Jul 1 23:00 1:00 UST # Ukrainian Summer Time -Rule Ukraine 1917 only - Dec 28 0:00 0 KMT # Kiev Mean Time -Rule Ukraine 1918 only - May 31 22:00 2:00 UDST # Ukrainian Double Summer Time -Rule Ukraine 1918 only - Sep 17 0:00 1:00 UST -Rule Ukraine 1919 only - May 31 23:00 2:00 UDST -Rule Ukraine 1919 only - Jul 1 2:00 1:00 UST -Rule Ukraine 1919 only - Aug 16 0:00 0 KMT -Rule Ukraine 1921 only - Feb 14 23:00 1:00 UST -Rule Ukraine 1921 only - Mar 21 23:00 2:00 UDST -Rule Ukraine 1921 only - Sep 1 0:00 1:00 UST -Rule Ukraine 1921 only - Oct 1 0:00 0 KMT -Rule Crimea 1917 only - Jul 1 23:00 1:00 CST # Crimean Summer Time -Rule Crimea 1917 only - Dec 28 0:00 0 NMT # Nikolayev Mean Time -Rule Crimea 1918 only - May 31 22:00 2:00 CDST # Crimean Double Summer Time -Rule Crimea 1918 only - Sep 17 0:00 1:00 CST -Rule Crimea 1919 only - May 31 23:00 2:00 CDST -Rule Crimea 1919 only - Jul 1 2:00 1:00 CST -Rule Crimea 1919 only - Aug 16 0:00 0 NMT -Rule Crimea 1921 only - Feb 14 23:00 1:00 CST -Rule Crimea 1921 only - Mar 21 23:00 2:00 CDST -Rule Crimea 1921 only - Sep 1 0:00 1:00 CST -Rule Crimea 1921 only - Oct 1 0:00 0 NMT -Rule Crimea 1996 only - Mar lastSun 0:00u 1:00 - -Rule Crimea 1996 only - Oct lastSun 0:00u 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Most of Ukraine since 1970 has been like Kiev. Zone Europe/Kiev 2:02:04 - LMT 1880 - 2:02:04 Ukraine %s 1924 May 2 + 2:02:04 - KMT 1924 May 2 # Kiev Mean Time 2:00 - EET 1930 Jun 21 - 3:00 Russia MSK/MSD 1990 Jul 17 - 2:00 E-Eur EE%sT 1996 + 3:00 - MSK 1941 Sep 20 + 1:00 C-Eur CE%sT 1943 Nov 6 + 3:00 Russia MSK/MSD 1990 + 3:00 - MSK 1990 Jul 1 2:00 + 2:00 - EET 1992 + 2:00 E-Eur EE%sT 1995 2:00 EU EE%sT -Zone Europe/Simferopol 2:16:24 - LMT 1880 - 2:08:00 Crimea %s 1924 May 2 +# Ruthenia used CET 1990/1991. +Zone Europe/Uzhgorod 1:29:12 - LMT 1890 Oct + 1:00 - CET 1940 + 1:00 C-Eur CE%sT 1944 Oct + 1:00 1:00 CEST 1944 Oct 26 + 1:00 - CET 1945 Jun 29 + 3:00 Russia MSK/MSD 1990 + 3:00 - MSK 1990 Jul 1 2:00 + 1:00 - CET 1991 Mar 31 3:00 + 2:00 - EET 1992 + 2:00 E-Eur EE%sT 1995 + 2:00 EU EE%sT +# Zaporozh'ye and eastern Lugansk oblasts observed DST 1990/1991. +# Zaporozh'ye has an apostrophe, but Posix file names can't have apostrophes. +Zone Europe/Zaporozhye 2:20:40 - LMT 1880 + 2:20 - CUT 1924 May 2 # Central Ukraine T 2:00 - EET 1930 Jun 21 - 3:00 Russia MSK/MSD 1991 Mar 31 2:00s - 2:00 1:00 EEST 1991 Sep 29 2:00s -# From Paul Eggert (1996-10-21): -# The _Economist_ (1994-05-28, p 45) reports that most of Crimea switched + 3:00 - MSK 1941 Aug 25 + 1:00 C-Eur CE%sT 1943 Oct 25 + 3:00 Russia MSK/MSD 1991 Mar 31 2:00 + 2:00 E-Eur EE%sT 1995 + 2:00 EU EE%sT +# Central Crimea used Moscow time 1994/1997. +Zone Europe/Simferopol 2:16:24 - LMT 1880 + 2:16 - SMT 1924 May 2 # Simferopol Mean T + 2:00 - EET 1930 Jun 21 + 3:00 - MSK 1941 Nov + 1:00 C-Eur CE%sT 1944 Apr 13 + 3:00 Russia MSK/MSD 1990 + 3:00 - MSK 1990 Jul 1 2:00 + 2:00 - EET 1992 +# From Paul Eggert (1999-11-12): +# The _Economist_ (1994-05-28, p 45) reports that central Crimea switched # from Kiev to Moscow time sometime after the January 1994 elections. -# For now, guess it changed Feb 1. - 2:00 C-Eur EE%sT 1994 Feb +# Shanks says ``date of change uncertain'', but implies that it happened +# sometime between the 1994 DST switches. For now, guess it changed in May. + 2:00 E-Eur EE%sT 1994 May # From IATA SSIM (1994/1997), which also says that Kerch is still like Kiev. - 3:00 E-Eur MSK/MSD 1996 + 3:00 E-Eur MSK/MSD 1996 Mar 31 3:00s + 3:00 1:00 MSD 1996 Oct 27 3:00s # IATA SSIM (1997-09) says Crimea switched to EET/EEST. # Assume it happened in March by not changing the clocks. - 3:00 Crimea MSK/MSD 1997 Mar lastSun 1:00u + 3:00 Russia MSK/MSD 1997 Mar lastSun 1:00u 2:00 EU EE%sT # Yugoslavia diff --git a/share/zoneinfo/leapseconds b/share/zoneinfo/leapseconds index 1cd114b91fbe..4386eb181d2f 100644 --- a/share/zoneinfo/leapseconds +++ b/share/zoneinfo/leapseconds @@ -1,9 +1,11 @@ -# @(#)leapseconds 7.11 +# @(#)leapseconds 7.12 +# $FreeBSD$ # Allowance for leapseconds added to each timezone file. # The International Earth Rotation Service periodically uses leap seconds -# to keep UTC to within 0.9 s of TAI (atomic time); see +# to keep UTC to within 0.9 s of UT1 +# (which measures the true angular orientation of the earth in space); see # Terry J Quinn, The BIPM and the accurate measure of time, # Proc IEEE 79, 7 (July 1991), 894-905. # There were no leap seconds before 1972, because the official mechanism diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica index 5568a95c1d70..a234e54d13b5 100644 --- a/share/zoneinfo/northamerica +++ b/share/zoneinfo/northamerica @@ -1,19 +1,30 @@ -# @(#)northamerica 7.42 +# @(#)northamerica 7.51 +# $FreeBSD$ # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to # tz@elsie.nci.nih.gov for general use in the future). -# From Paul Eggert (1994-08-17): +# From Paul Eggert (1999-03-22): # A reliable and entertaining source about time zones is -# Derek Howse, Greenwich time and the discovery of the longitude, -# Oxford University Press (1980). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). ############################################################################### # United States +# From Paul Eggert (1999-03-31): +# Howse writes (pp 121-125) that time zones were invented by +# Professor Charles Ferdinand Dowd (1825-1904), +# Principal of Temple Grove Ladies' Seminary (Saratoga Springs, NY). +# His pamphlet ``A System of National Time for Railroads'' (1870) +# was the result of his proposals at the Convention of Railroad Trunk Lines +# in New York City (1869-10). His 1870 proposal was based on Washington, DC, +# but in 1872-05 he moved the proposed origin to Greenwich. +# His proposal was adopted by the railroads on 1883-11-18 at 12:00, +# and the most of the country soon followed suit. + # From Paul Eggert (1995-12-19): # A good source for time zone historical data in the US is # Thomas G. Shanks, The American Atlas (5th edition), @@ -294,6 +305,11 @@ Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:00 # Indiana # +# For a map of Indiana's time zone regions, see: +# +# What time is it in Indiana? +# (1999-04-06) +# # From Paul Eggert (1995-12-19): # Indiana generally observes either EST all year, or CST/CDT, # but areas near Cincinnati and Louisville use those cities' timekeeping @@ -393,15 +409,38 @@ Zone America/Louisville -5:43:02 - LMT 1883 Nov 18 12:00 -5:00 US E%sT 1974 Jan 6 2:00 -6:00 1:00 CDT 1974 Oct 27 2:00 -5:00 US E%sT +# Wayne, Clinton, and Russell Counties, Kentucky +# From +# +# Federal Register Doc. 99-26945 +# (1999-10-14 08:45-04) +# In response to a petition by the Wayne County, Kentucky, Fiscal Court, +# the Department of Transportation (DOT) proposed to move Wayne County, +# Kentucky, from the Central Time Zone to the Eastern Time Zone.... Now +# the earliest date that the proposed change might take effect is +# October 29, 2000. +# +# From +# +# Lake Cumberland LIFE +# (1999-01-29) via WKYM-101.7: +# Clinton County has joined Wayne County in asking the DoT to change from +# the Central to the Eastern time zone.... The Wayne County government made +# the same request in December. And while Russell County officials have not +# taken action, the majority of respondents to a poll conducted there in +# August indicated they would like to change to "fast time" also. +# The three Lake Cumberland counties are the farthest east of any U.S. +# location in the Central time zone. # Michigan # # From Bob Devine (1988-01-28): # Michigan didn't observe DST from 1968 to 1973. # -# From Paul Eggert (1995-12-19): -# Shanks writes that Michigan started using standard time on 1885 Sep 18, -# but Howse (p 126) writes that Detroit kept +# From Paul Eggert (1999-03-31): +# Shanks writes that Michigan started using standard time on 1885-09-18, +# but Howse writes (pp 124-125, referring to Popular Astronomy, 1901-01) +# that Detroit kept # # local time until 1900 when the City Council decreed that clocks should # be put back twenty-eight minutes to Central Standard Time. Half the @@ -466,12 +505,12 @@ Link Pacific/Honolulu HST ################################################################################ -# From Paul Eggert (1996-11-22): +# From Paul Eggert (1999-10-29): # A good source for time zone historical data outside the US is -# Thomas G. Shanks, The International Atlas (4th edition), -# San Diego: ACS Publications, Inc. (1995). +# Thomas G. Shanks, The International Atlas (5th edition), +# San Diego: ACS Publications, Inc. (1999). # -# Gwillim Law writes that a good source +# Gwillim Law writes that a good source # for recent time zone data is the International Air Transport # Association's Standard Schedules Information Manual (IATA SSIM), # published semiannually. Law sent in several helpful summaries @@ -520,7 +559,7 @@ Link Pacific/Honolulu HST # From Paul Eggert (1994-11-22): # Alas, this sort of thing must be handled by localization software. -# The data for Canada are all from Shanks (1991). +# The data for Canada are all from Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -666,7 +705,7 @@ Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 # says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT. # Officially Atikokan is therefore on CST/CDT, and most likely this report # concerns a non-official time observed as a matter of local practice. -# For what it's worth, Shanks (1995) says that Atikokan has agreed with +# For what it's worth, Shanks says that Atikokan has agreed with # Rainy River ever since standard time was introduced. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -838,7 +877,7 @@ Zone America/Edmonton -7:33:52 - LMT 1906 Sep # From Paul Eggert (1996-06-12): # Shanks writes that since 1970 most of this region has been like Vancouver. -# Dawswon Creek uses MST. Much of east BC is like Edmonton. +# Dawson Creek uses MST. Much of east BC is like Edmonton. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Vanc 1918 only - Apr 14 2:00 1:00 D @@ -859,11 +898,10 @@ Zone America/Dawson_Creek -8:00:56 - LMT 1884 -7:00 - MST -# Northwest Territories, Yukon +# Northwest Territories, Nunavut, Yukon -# From Paul Eggert (1996-10-07): +# From Paul Eggert (1999-10-29): # Dawson switched to PST in 1973. Inuvik switched to MST in 1979. -# Shanks's table for Watson Lake is corrupted, so we have no data there. # Mathew Englander (1996-10-07) gives the following refs: # * 1967. Paragraph 28(34)(g) of the Interpretation Act, S.C. 1967-68, # c. 7 defines Yukon standard time as UTC-9. This is still valid; @@ -873,6 +911,56 @@ Zone America/Dawson_Creek -8:00:56 - LMT 1884 # * O.I.C. 1987/056 changed DST to Apr firstSun 2:00 to Oct lastSun 2:00. # Shanks says Yukon's 1973-10-28 switch was at 2:00; go with Englander. +# From Rives McDow (1999-09-04): +# Nunavut ... moved ... to incorporate the whole territory into one time zone. +# +# Nunavut moves to single time zone Oct. 31 +# +# +# From Antoine Leca (1999-09-06): +# We then need to create a new timezone for the Kitikmeot region of Nunavut +# to differentiate it from the Yellowknife region. + +# From Paul Eggert (1999-09-20): +# +# Basic Facts: The New Territory +# (1999) reports that Pangnirtung operates on Eastern time, +# and that Coral Harbour does not observe DST. We don't know when +# Pangnirtung switched to Eastern time; we'll guess 1995. +# We'll ignore the claim about Coral Harbour for now, +# since we have no further info. + +# From Rives McDow (1999-11-08): +# On October 31, when the rest of Nunavut went to Central time, +# Pangnirtung wobbled. Here is the result of their wobble: +# +# The following businesses and organizations in Pangnirtung use Central Time: +# +# First Air, Power Corp, Nunavut Construction, Health Center, RCMP, +# Eastern Arctic National Parks, A & D Specialist +# +# The following businesses and organizations in Pangnirtung use Eastern Time: +# +# Hamlet office, All other businesses, Both schools, Airport operator +# +# This has made for an interesting situation there, which warranted the news. +# No one there that I spoke with seems concerned, or has plans to +# change the local methods of keeping time, as it evidently does not +# really interfere with any activities or make things difficult locally. +# They plan to celebrate New Year's turn-over twice, one hour apart, +# so it appears that the situation will last at least that long. +# The Nunavut Intergovernmental Affairs hopes that they will "come to +# their senses", but the locals evidently don't see any problem with +# the current state of affairs. + +# From Michaela Rodrigue, writing in the +# +# Nunatsiaq News (1999-11-19): +# Clyde River, Pangnirtung and Sanikiluaq now operate with two time zones, +# central - or Nunavut time - for government offices, and eastern time +# for municipal offices and schools.... Igloolik [was similar but then] +# made the switch to central time on Saturday, Nov. 6. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule NT_YK 1918 only - Apr 14 2:00 1:00 D Rule NT_YK 1918 only - Oct 27 2:00 0 S @@ -887,11 +975,17 @@ Rule NT_YK 1980 max - Oct lastSun 2:00 0 S Rule NT_YK 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Pangnirtung -4:22:56 - LMT 1884 - -4:00 NT_YK A%sT -Zone America/Iqaluit -4:33:52 - LMT 1884 # Frobisher Bay - -5:00 NT_YK E%sT + -4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00 + -5:00 Canada E%sT 1999 Oct 31 2:00 + -6:00 Canada C%sT +Zone America/Iqaluit -4:33:52 - LMT 1884 # Frobisher Bay before 1987 + -5:00 NT_YK E%sT 1999 Oct 31 2:00 + -6:00 Canada C%sT Zone America/Rankin_Inlet -6:08:40 - LMT 1884 -6:00 NT_YK C%sT +Zone America/Cambridge_Bay -7:00:20 - LMT 1884 + -7:00 NT_YK M%sT 1999 Oct 31 2:00 + -6:00 Canada C%sT Zone America/Yellowknife -7:37:24 - LMT 1884 -7:00 NT_YK M%sT Zone America/Inuvik -8:54:00 - LMT 1884 @@ -921,7 +1015,7 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 # The Federal District (where Mexico City is) has observed [DST] several # times but not recently. # -# I don't where to drawn the line in the North Baja area. 28th latitude +# I don't where to draw the line in the North Baja area. 28th latitude # sounds good -- but it may be higher (how far [d]o radio stations from # San Diego affect culture?). # @@ -956,37 +1050,33 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 # a zone that's GMT-8 with DST; a zone that's always GMT-7; # a zone that's GMT-6 with DST; and a zone that's always GMT-6. -# From Paul Eggert (1993-11-18): -# Shanks also says there are four zones, but disagrees about the fourth. -# Instead of GMT-6 with DST, he says there's GMT-8 without DST. - # From Alan Perry (1996-02-15): # A guy from our Mexico subsidiary finally found the Presidential Decree # outlining the timezone changes in Mexico. -# +# # ------------- Begin Forwarded Message ------------- -# +# # I finally got my hands on the Official Presidential Decree that sets up the # rules for the DST changes. The rules are: -# +# # 1. The country is divided in 3 timezones: # - Baja California Norte (the Mexico/BajaNorte TZ) # - Baja California Sur, Nayarit, Sinaloa and Sonora (the Mexico/BajaSur TZ) # - The rest of the country (the Mexico/General TZ) -# +# # 2. From the first Sunday in April at 2:00 AM to the last Sunday in October # at 2:00 AM, the times in each zone are as follows: # BajaNorte: GMT+7 # BajaSur: GMT+6 # General: GMT+5 -# +# # 3. The rest of the year, the times are as follows: # BajaNorte: GMT+8 # BajaSur: GMT+7 # General: GMT+6 -# +# # The Decree was published in Mexico's Official Newspaper on January 4th. -# +# # -------------- End Forwarded Message -------------- # From Paul Eggert (1996-06-12): # For an English translation of the decree, see @@ -998,7 +1088,13 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 # The State of Quintana Roo has reverted back to central STD and DST times # (i.e. UTC -0600 and -0500 as of 1998-08-02). -# From Shanks (1991): +# From Rives McDow (2000-01-10): +# Effective April 4, 1999 at 2:00 AM local time, Sonora changed to the time +# zone 5 hours from the International Date Line, and will not observe daylight +# savings time so as to stay on the same time zone as the southern part of +# Arizona year round. + +# From Shanks: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Mexico 1939 only - Feb 5 0:00 1:00 D Rule Mexico 1939 only - Jun 25 0:00 0 S @@ -1011,12 +1107,11 @@ Rule Mexico 1950 only - Jul 30 0:00 0 S Rule Mexico 1996 max - Apr Sun>=1 2:00 1:00 D Rule Mexico 1996 max - Oct lastSun 2:00 0 S # -Rule BajaN 1950 1966 - Apr lastSun 2:00 1:00 D -Rule BajaN 1950 1961 - Sep lastSun 2:00 0 S -Rule BajaN 1961 1966 - Oct lastSun 2:00 0 S +Rule BajaN 1954 1961 - Apr lastSun 2:00 1:00 D +Rule BajaN 1954 1961 - Sep lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] # Quintana Roo -Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 1:12:42 +Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56 -6:00 - CST 1996 -6:00 Mexico C%sT 1997 Oct lastSun 2:00 -5:00 Mexico E%sT 1998 Aug 2 2:00 @@ -1030,7 +1125,7 @@ Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 -7:00 - MST 1932 Mar 30 23:00 -6:00 Mexico C%sT # Chihuahua -Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:44 +Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:40 -7:00 - MST 1927 Jun 10 23:00 -6:00 - CST 1930 Nov 15 -7:00 - MST 1931 May 1 23:00 @@ -1040,7 +1135,19 @@ Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:44 -6:00 Mexico C%sT 1998 -6:00 - CST 1998 Apr Sun>=1 3:00 -7:00 Mexico M%sT -# S Baja California, Nayarit, Sinaloa, Sonora +# Sonora +Zone America/Hermosillo -7:23:52 - LMT 1921 Dec 31 23:36:08 + -7:00 - MST 1927 Jun 10 23:00 + -6:00 - CST 1930 Nov 15 + -7:00 - MST 1931 May 1 23:00 + -6:00 - CST 1931 Oct + -7:00 - MST 1932 Mar 30 23:00 + -6:00 - CST 1942 Apr + -7:00 - MST 1949 Jan 14 + -8:00 - PST 1970 + -7:00 Mexico M%sT 1999 + -7:00 - MST +# S Baja California, Nayarit, Sinaloa Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20 -7:00 - MST 1927 Jun 10 23:00 -6:00 - CST 1930 Nov 15 @@ -1051,23 +1158,15 @@ Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20 -7:00 - MST 1949 Jan 14 -8:00 - PST 1970 -7:00 Mexico M%sT -# N Baja California +# Baja California Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 -8:00 - PST 1927 Jun 10 23:00 -7:00 - MST 1930 Nov 16 -8:00 - PST 1942 Apr -7:00 - MST 1949 Jan 14 - -8:00 BajaN P%sT 1967 Apr lastSun 2:00 + -8:00 BajaN P%sT 1976 -8:00 US P%sT 1996 -8:00 Mexico P%sT -# Baja California -Zone America/Ensenada -7:46:28 - LMT 1922 Jan 1 0:13:32 - -8:00 - PST 1927 Jun 10 23:00 - -7:00 - MST 1930 Nov 16 - -8:00 - PST 1942 Apr - -7:00 - MST 1949 Jan 14 - -8:00 - PST 1996 - -8:00 Mexico P%sT # # Revillagigedo Is # no information @@ -1132,8 +1231,6 @@ Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown -5:00 - EST # Costa Rica -# Shanks gives some very odd dates for 1991, and stops there. -# For now, we won't guess further. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S @@ -1144,23 +1241,24 @@ Rule CR 1992 only - Mar 15 0:00 0 S # There are too many San Joses elsewhere, so we'll use `Costa Rica'. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose - -5:36 - SJMT 1921 Jan 15 # San Jose Mean Time + -5:36:20 - SJMT 1921 Jan 15 # San Jose Mean Time -6:00 CR C%sT # Coco # no information; probably like America/Costa_Rica # Cuba -# From Bob Devine (1988-01-28): -# . . .DST is from 2nd Sunday in May to 2nd Sunday in October since 1981. -# Change at midnight. In 1979 & 1980, started at 3rd Sunday in March -# (I think). +# From Arthur David Olson (1999-03-29): +# The 1999-03-28 exhibition baseball game held in Havana, Cuba, between +# the Cuban National Team and the Baltimore Orioles was carried live on +# the Orioles Radio Network, including affiliate WTOP in Washington, DC. +# During the game, play-by-play announcer Jim Hunter noted that +# "We'll be losing two hours of sleep...Cuba switched to Daylight Saving +# Time today." (The "two hour" remark referred to losing one hour of +# sleep on 1999-03-28--when the announcers were in Cuba as it switched +# to DST--and one more hour on 1999-04-04--when the announcers will have +# returned to Baltimore, which switches on that date.) -# From U. S. Naval Observatory (1989-01-19): -# CUBA 5 H BEHIND UTC -# CUBA 4 H BEHIND UTC MAR 20 - OCT 8 - -# From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Cuba 1928 only - Jun 10 0:00 1:00 D Rule Cuba 1928 only - Oct 10 0:00 0 S @@ -1188,13 +1286,13 @@ Rule Cuba 1990 1997 - Apr Sun>=1 0:00 1:00 D Rule Cuba 1991 1995 - Oct Sun>=8 0:00s 0 S Rule Cuba 1996 only - Oct 6 0:00s 0 S Rule Cuba 1997 only - Oct 12 0:00s 0 S -Rule Cuba 1998 only - Mar 29 0:00 1:00 D +Rule Cuba 1998 1999 - Mar lastSun 0:00s 1:00 D Rule Cuba 1998 max - Oct lastSun 0:00s 0 S -Rule Cuba 1999 max - Apr Sun>=1 0:00s 1:00 D +Rule Cuba 2000 max - Apr Sun>=1 0:00s 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 - -5:30 - HMT 1925 Jul 19 12:00 # Havana MT + -5:29:36 - HMT 1925 Jul 19 12:00 # Havana MT -5:00 Cuba C%sT # Dominica @@ -1252,7 +1350,7 @@ Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 Rule Haiti 1983 only - May 8 0:00 1:00 D Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S -# Shanks says AT is 2:00, but IATA SSIM (1991/1996) says 1:00s. Go with IATA. +# Shanks says AT is 2:00, but IATA SSIM (1991/1997) says 1:00s. Go with IATA. Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D Rule Haiti 1988 1997 - Oct lastSun 1:00s 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1276,11 +1374,11 @@ Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr # From U. S. Naval Observatory (1989-01-19): # JAMAICA 5 H BEHIND UTC -# From Shanks (1991): +# From Shanks: # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Jamaica -5:07:12 - LMT 1890 # Kingston -5:07:12 - KMT 1912 Feb # Kingston Mean Time - -5:00 - EST 1974 Jan 6 2:00 + -5:00 - EST 1974 Apr 28 2:00 -5:00 US E%sT 1984 -5:00 - EST diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica index 3232c5c093b2..f6b7afcae32e 100644 --- a/share/zoneinfo/southamerica +++ b/share/zoneinfo/southamerica @@ -1,15 +1,16 @@ -# @(#)southamerica 7.26 +# @(#)southamerica 7.35 +# $FreeBSD$ # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to # tz@elsie.nci.nih.gov for general use in the future). -# From Paul Eggert (1996-11-22): +# From Paul Eggert (1999-07-07): # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (4th edition), -# San Diego: ACS Publications, Inc. (1995). +# Thomas G. Shanks, The International Atlas (5th edition), +# San Diego: ACS Publications, Inc. (1999). # -# Gwillim Law writes that a good source +# Gwillim Law writes that a good source # for recent time zone data is the International Air Transport # Association's Standard Schedules Information Manual (IATA SSIM), # published semiannually. Law sent in several helpful summaries @@ -18,16 +19,6 @@ # Except where otherwise noted, Shanks is the source for entries through 1990, # and IATA SSIM is the source for entries after 1990. # -# The following abbreviations are used in this file. -# Corrections are welcome! -# std dst -# LMT Local Mean Time -# -2:00 FST FDT Fernando de Noronha -# -3:00 EST EDT Eastern Brazil -# -4:00 WST WDT Western Brazil -# -4:00 AST ADT Atlantic -# -5:00 AST ADT Acre -# # Earlier editions of these tables used the North American style (e.g. ARST and # ARDT for Argentine Standard and Daylight Time), but the following quote # suggests that it's better to use European style (e.g. ART and ARST). @@ -36,15 +27,24 @@ # in Europe and South America. # -- E O Cutler, _New York Times_ (1937-02-14), quoted in # H L Mencken, _The American Language: Supplement I_ (1960), p 466 - - -# From Guy Harris: -# From Official Airline Guide - Worldwide Edition (1987). Countries not -# listed here do not observe DST, according to the OAG. Time zone names -# are pure inventions, and none are supplied for countries not observing -# DST; updates from natives would be appreciated. The times that DST -# starts and ends are based on the assumption that they switch a 2AM just -# as everybody else does. +# +# Earlier editions of these tables also used the North American style +# for time zones in Brazil, but this was incorrect, as Brazilians say +# "summer time". Reinaldo Goulart, a Sao Paulo businessman active in +# the railroad sector, writes (1999-07-06): +# The subject of time zones is currently a matter of discussion/debate in +# Brazil. Let's say that "the Brasilia time" is considered the +# "official time" because Brasilia is the capital city. +# The other three time zones are called "Brasilia time "minus one" or +# "plus one" or "plus two". As far as I know there is no such +# name/designation as "Eastern Time" or "Central Time". +# So I invented the following (English-language) abbreviations for now. +# Corrections are welcome! +# std dst +# -2:00 FNT FNST Fernando de Noronha +# -3:00 BRT BRST Brasilia +# -4:00 AMT AMST Amazon +# -5:00 ACT ACST Acre ############################################################################### @@ -81,12 +81,12 @@ Rule Arg 1963 only - Dec 15 0:00 1:00 S Rule Arg 1964 1966 - Mar 1 0:00 0 - Rule Arg 1964 1966 - Oct 15 0:00 1:00 S Rule Arg 1967 only - Apr 1 0:00 0 - -Rule Arg 1967 1968 - Oct Sun<=7 0:00 1:00 S -Rule Arg 1968 1969 - Apr Sun<=7 0:00 0 - +Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 S +Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 - Rule Arg 1974 only - Jan 23 0:00 1:00 S Rule Arg 1974 only - May 1 0:00 0 - -Rule Arg 1974 1976 - Oct Sun<=7 0:00 1:00 S -Rule Arg 1975 1977 - Apr Sun<=7 0:00 0 - +Rule Arg 1974 1976 - Oct Sun>=1 0:00 1:00 S +Rule Arg 1975 1977 - Apr Sun>=1 0:00 0 - Rule Arg 1985 only - Nov 2 0:00 1:00 S Rule Arg 1986 only - Mar 14 0:00 0 - Rule Arg 1986 1987 - Oct 25 0:00 1:00 S @@ -100,7 +100,7 @@ Rule Arg 1988 only - Dec 1 0:00 1:00 S # Talleres de Hidrografia Naval Argentina # (Argentine Naval Hydrography Institute) # -# Shanks gives 1989 Mar 16 and stops after 1990 Mar 4; go with Otero. +# Shanks stops after 1992-03-01; go with Otero. Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 - Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S # @@ -109,6 +109,18 @@ Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S # time corrections was derogated and no more modifications # to the time zones (for daylight saving) are now made. # +# From Rives McDow (2000-01-10): +# On October 3, 1999, 0:00 local, Argentina implemented daylight savings time, +# which did not result in the switch of a time zone, as they stayed 9 hours +# from the International Date Line. On March 5, 2000, at 0:00 local time, +# Argentina will come off daylight savings time, which will bring them to 8 +# hours from the International Date Line. +# +# From Peter Gradelski via Steffen Thorsen (2000-03-01): +# We just checked with our San Paulo office and they say the government of +# Argentina decided not to become one of the countries that go on or off DST. +# So Buenos Aires should be -3 hours from GMT at all times. +# # Zone NAME GMTOFF RULES FORMAT [UNTIL] # # Buenos Aires (BA), Distrito Federal (DF), Santa Cruz (SC), @@ -116,7 +128,7 @@ Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S Zone America/Buenos_Aires -3:53:48 - LMT 1894 Nov -4:16:44 - CMT 1920 May # Cordoba Mean Time -4:00 - ART 1930 Dec - -4:00 Arg AR%sT 1969 Oct 5 + -4:00 Arg AR%sT 1969 Oct 5 -3:00 Arg AR%sT # # Santa Fe (SF), Entre Rios (ER), Corrientes (CN), Misiones (MN), Chaco (CC), @@ -124,7 +136,7 @@ Zone America/Buenos_Aires -3:53:48 - LMT 1894 Nov Zone America/Rosario -4:02:40 - LMT 1894 Nov -4:16:44 - CMT 1920 May -4:00 - ART 1930 Dec - -4:00 Arg AR%sT 1969 Oct 5 + -4:00 Arg AR%sT 1969 Oct 5 -3:00 Arg AR%sT 1991 Jul -3:00 - ART # @@ -133,7 +145,7 @@ Zone America/Rosario -4:02:40 - LMT 1894 Nov Zone America/Cordoba -4:16:44 - LMT 1894 Nov -4:16:44 - CMT 1920 May -4:00 - ART 1930 Dec - -4:00 Arg AR%sT 1969 Oct 5 + -4:00 Arg AR%sT 1969 Oct 5 -3:00 Arg AR%sT 1990 Jul -3:00 - ART # @@ -152,7 +164,7 @@ Zone America/Jujuy -4:21:12 - LMT 1894 Nov Zone America/Catamarca -4:23:08 - LMT 1894 Nov -4:16:44 - CMT 1920 May -4:00 - ART 1930 Dec - -4:00 Arg AR%sT 1969 Oct 5 + -4:00 Arg AR%sT 1969 Oct 5 -3:00 Arg AR%sT 1990 Jul -3:00 - ART 1991 Jul -3:00 Arg AR%sT 1992 Jul @@ -217,54 +229,32 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # Maranhao (MA), Paraiba (PR), Pernambuco (PE), Piaui (PI), and Rio Grande do # Norte (RN), and the eastern part of Para (PA) are all in BR1 without DST. -# From Paul Eggert (1996-11-22): -# Let's make the following assumptions: -# -# * All data in Shanks are correct through 1990. In particular, -# Shanks was right when he said Acre stopped observing DST in mid-1988. -# * Areas where Shanks reports DST up to 1990, but the IATA reports no DST -# in 1995, stopped observing DST in mid-1990. -# -# Under these assumptions Brazil needs 7 entries to cover all the distinct -# time zone histories since 1970: -# -# Noronha (UTC-2), Fortaleza (UTC-3), and Manaus (UTC-4) stopped observing DST -# in mid-1990. -# Maceio (UTC-3) stopped observing DST in mid-1990, but started again mid-1995. -# Sao Paulo (UTC-3) and Cuiaba (UTC-4) always observed DST. -# Porto Acre (UTC-5) stopped observing DST in mid-1988. - -# From Rodrigo Feher (1998-01-17): -# Reading "southamerica" file in timezone 7.55 I've found an -# error. Line 193 say "Territory of Acre". It is not a territory anymore -# but a state. - # From Marcos Tadeu (1998-09-27): # # Brazilian official page # # -# From Paul Eggert (1998-09-28): +# From Paul Eggert (1998-10-29): # The official decrees referenced below are taken from # # Decretos sobre o Horario de Verao no Brasil -# (1998-09-25, in Portuguese). +# (1999-10-04, in Portuguese). # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # Decree 20,466 (1931-10-01) # Decree 21,896 (1932-01-10) -Rule Brazil 1931 only - Oct 3 11:00 1:00 D -Rule Brazil 1932 1933 - Apr 1 0:00 0 S -Rule Brazil 1932 only - Oct 3 0:00 1:00 D +Rule Brazil 1931 only - Oct 3 11:00 1:00 S +Rule Brazil 1932 1933 - Apr 1 0:00 0 - +Rule Brazil 1932 only - Oct 3 0:00 1:00 S # Decree 23,195 (1933-10-10) # revoked DST. # Decree 27,496 (1949-11-24) # Decree 27,998 (1950-04-13) -Rule Brazil 1949 1952 - Dec 1 0:00 1:00 D -Rule Brazil 1950 only - Apr 16 1:00 0 S -Rule Brazil 1951 1952 - Apr 1 0:00 0 S +Rule Brazil 1949 1952 - Dec 1 0:00 1:00 S +Rule Brazil 1950 only - Apr 16 1:00 0 - +Rule Brazil 1951 1952 - Apr 1 0:00 0 - # Decree 32,308 (1953-02-24) -Rule Brazil 1953 only - Mar 1 0:00 0 S +Rule Brazil 1953 only - Mar 1 0:00 0 - # Decree 34,724 (1953-11-30) # revoked DST. # Decree 52,700 (1963-10-18) @@ -272,52 +262,52 @@ Rule Brazil 1953 only - Mar 1 0:00 0 S # in SP, RJ, GB, MG, ES, due to the prolongation of the drought. # Decree 53,071 (1963-12-03) # extended the above decree to all of the national territory on 12-09. -Rule Brazil 1963 only - Dec 9 0:00 1:00 D +Rule Brazil 1963 only - Dec 9 0:00 1:00 S # Decree 53,604 (1964-02-25) # extended summer time by one day to 1964-03-01 00:00 (start of school). -Rule Brazil 1964 only - Mar 1 0:00 0 S +Rule Brazil 1964 only - Mar 1 0:00 0 - # Decree 55,639 (1965-01-27) -Rule Brazil 1965 only - Jan 31 0:00 1:00 D -Rule Brazil 1965 only - Mar 31 0:00 0 S +Rule Brazil 1965 only - Jan 31 0:00 1:00 S +Rule Brazil 1965 only - Mar 31 0:00 0 - # Decree 57,303 (1965-11-22) -Rule Brazil 1965 only - Dec 1 0:00 1:00 D +Rule Brazil 1965 only - Dec 1 0:00 1:00 S # Decree 57,843 (1966-02-18) -Rule Brazil 1966 1968 - Mar 1 0:00 0 S -Rule Brazil 1966 1967 - Nov 1 0:00 1:00 D +Rule Brazil 1966 1968 - Mar 1 0:00 0 - +Rule Brazil 1966 1967 - Nov 1 0:00 1:00 S # Decree 63,429 (1968-10-15) # revoked DST. # Decree 91,698 (1985-09-27) -Rule Brazil 1985 only - Nov 2 0:00 1:00 D +Rule Brazil 1985 only - Nov 2 0:00 1:00 S # Decree 92,310 (1986-01-21) # Decree 92,463 (1986-03-13) -Rule Brazil 1986 only - Mar 15 0:00 0 S +Rule Brazil 1986 only - Mar 15 0:00 0 - # Decree 93,316 (1986-10-01) -Rule Brazil 1986 only - Oct 25 0:00 1:00 D -Rule Brazil 1987 only - Feb 14 0:00 0 S +Rule Brazil 1986 only - Oct 25 0:00 1:00 S +Rule Brazil 1987 only - Feb 14 0:00 0 - # Decree 94,922 (1987-09-22) -Rule Brazil 1987 only - Oct 25 0:00 1:00 D -Rule Brazil 1988 only - Feb 7 0:00 0 S +Rule Brazil 1987 only - Oct 25 0:00 1:00 S +Rule Brazil 1988 only - Feb 7 0:00 0 - # Decree 96,676 (1988-09-12) # except for the states of AC, AM, PA, RR, RO, and AP (then a territory) -Rule Brazil 1988 only - Oct 16 0:00 1:00 D -Rule Brazil 1989 only - Jan 29 0:00 0 S +Rule Brazil 1988 only - Oct 16 0:00 1:00 S +Rule Brazil 1989 only - Jan 29 0:00 0 - # Decree 98,077 (1989-08-21) # with the same exceptions -Rule Brazil 1989 only - Oct 15 0:00 1:00 D -Rule Brazil 1990 only - Feb 11 0:00 0 S +Rule Brazil 1989 only - Oct 15 0:00 1:00 S +Rule Brazil 1990 only - Feb 11 0:00 0 - # Decree 99,530 (1990-09-17) # adopted by RS, SC, PR, SP, RJ, ES, MG, GO, MS, DF. # Decree 99,629 (1990-10-19) adds BA, MT. -Rule Brazil 1990 only - Oct 21 0:00 1:00 D -Rule Brazil 1991 only - Feb 17 0:00 0 S +Rule Brazil 1990 only - Oct 21 0:00 1:00 S +Rule Brazil 1991 only - Feb 17 0:00 0 - # Unnumbered decree (1991-09-25) # adopted by RS, SC, PR, SP, RJ, ES, MG, BA, GO, MT, MS, DF. -Rule Brazil 1991 only - Oct 20 0:00 1:00 D -Rule Brazil 1992 only - Feb 9 0:00 0 S +Rule Brazil 1991 only - Oct 20 0:00 1:00 S +Rule Brazil 1992 only - Feb 9 0:00 0 - # Unnumbered decree (1992-10-16) # adopted by same states. -Rule Brazil 1992 only - Oct 25 0:00 1:00 D -Rule Brazil 1993 only - Jan 31 0:00 0 S +Rule Brazil 1992 only - Oct 25 0:00 1:00 S +Rule Brazil 1993 only - Jan 31 0:00 0 - # Decree 942 (1993-09-28) # adopted by same states, plus AM. # Decree 1,252 (1994-09-22) @@ -326,13 +316,13 @@ Rule Brazil 1993 only - Jan 31 0:00 0 S # adopted by same states, plus TO. # Decree 1,674 (1995-10-13) # adds AL, SE. -Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 D -Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 S -Rule Brazil 1996 only - Feb 11 0:00 0 S +Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 S +Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 - +Rule Brazil 1996 only - Feb 11 0:00 0 - # Decree 2,000 (1996-09-04) # adopted by same states, minus AL, SE. -Rule Brazil 1996 only - Oct 6 0:00 1:00 D -Rule Brazil 1997 only - Feb 16 0:00 0 S +Rule Brazil 1996 only - Oct 6 0:00 1:00 S +Rule Brazil 1997 only - Feb 16 0:00 0 - # From Daniel C. Sobral (1998-02-12): # In 1997, the DS began on October 6. The stated reason was that # because international television networks ignored Brazil's policy on DS, @@ -347,81 +337,94 @@ Rule Brazil 1997 only - Feb 16 0:00 0 S # Church Net UK (1997-10-02). # # Decree 2,317 (1997-09-04), adopted by same states. -Rule Brazil 1997 only - Oct 6 0:00 1:00 D +Rule Brazil 1997 only - Oct 6 0:00 1:00 S # Decree 2,495 # (1998-02-10) -Rule Brazil 1998 only - Mar 1 0:00 0 S +Rule Brazil 1998 only - Mar 1 0:00 0 - # Decree 2,780 (1998-09-11) -# adopted by the same states as before, -# specifies only the 1998-10-11 and 1999-02-21 transitions; -# after that, these rules are guesses and are quite possibly wrong, -# but they are more likely than no DST at all. -Rule Brazil 1998 max - Oct Sun>=8 0:00 1:00 D -Rule Brazil 1999 max - Feb Sun>=15 0:00 0 S +# adopted by the same states as before. +Rule Brazil 1998 only - Oct 11 0:00 1:00 S +Rule Brazil 1999 only - Feb 21 0:00 0 - +# Decree 3,150 +# (1999-08-23) adopted by same states. +# Decree 3,188 (1999-09-30) +# adds SE, AL, PE, PR, RN, CE, PI, MA and RR. +# These give only one year's rules. After that, the rules are guesses +# and are quite possibly wrong, but are more likely than no DST at all. +Rule Brazil 1999 max - Oct Sun>=1 0:00 1:00 S +Rule Brazil 2000 max - Feb lastSun 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] # # Fernando de Noronha Zone America/Noronha -2:09:40 - LMT 1914 - -2:00 Brazil F%sT 1990 Jul - -2:00 - FST + -2:00 Brazil FN%sT 1990 Sep 17 + -2:00 - FNT # -# Amapa, east Para +# Amapa (AP), east Para (PA) Zone America/Belem -3:13:56 - LMT 1914 - -3:00 Brazil E%sT 1988 Jul - -3:00 - EST + -3:00 Brazil BR%sT 1988 Sep 12 + -3:00 - BRT # -# Maranhao, Piaui, Ceara, Rio Grande do Norte, Paraiba, -# Pernambuco (except Fernando de Noronha) +# Maranhao (MA), Piaui (PI), Ceara (CE), Rio Grande do Norte (RN), +# Paraiba (PB), Pernambuco (PE) (except Fernando de Noronha) Zone America/Fortaleza -2:34:00 - LMT 1914 - -3:00 Brazil E%sT 1990 Jul - -3:00 - EST + -3:00 Brazil BR%sT 1990 Sep 17 + -3:00 - BRT 1999 Sep 30 + -3:00 Brazil BR%sT # -# Tocantins +# Tocantins (TO) Zone America/Araguaina -3:12:48 - LMT 1914 - -3:00 Brazil E%sT 1990 Jul - -3:00 - EST 1995 Jul - -3:00 Brazil E%sT + -3:00 Brazil BR%sT 1990 Sep 17 + -3:00 - BRT 1995 Sep 14 + -3:00 Brazil BR%sT # -# Alagoas, Sergipe +# Alagoas (AL), Sergipe (SE) Zone America/Maceio -2:22:52 - LMT 1914 - -3:00 Brazil E%sT 1990 Jul - -3:00 - EST 1995 Jul - -3:00 Brazil E%sT 1996 Jul - -3:00 - EST + -3:00 Brazil BR%sT 1990 Sep 17 + -3:00 - BRT 1995 Oct 13 + -3:00 Brazil BR%sT 1996 Sep 4 + -3:00 - BRT 1999 Sep 30 + -3:00 Brazil BR%sT # -# Bahia, Goias, Distrito Federal, Minas Gerais, Espirito Santo, Rio de Janeiro, -# Sao Paulo, Parana, Santa Catarina, Rio Grande do Sul +# Bahia (BA), Goias (GO), Distrito Federal (DF), Minas Gerais (MG), +# Espirito Santo (ES), Rio de Janeiro (RJ), Sao Paulo (SP), Parana (PR), +# Santa Catarina (SC), Rio Grande do Sul (RS) Zone America/Sao_Paulo -3:06:28 - LMT 1914 - -3:00 Brazil E%sT 1963 Oct 23 00:00 - -3:00 - EDT 1964 - -3:00 Brazil E%sT + -3:00 Brazil BR%sT 1963 Oct 23 00:00 + -3:00 1:00 BRST 1964 + -3:00 Brazil BR%sT # # Mato Grosso, Mato Grosso do Sul Zone America/Cuiaba -3:44:20 - LMT 1914 - -4:00 Brazil W%sT 1990 Jul - -4:00 - WST + -4:00 Brazil AM%sT # -# Roraima, west Para, Rondonia +# west Para (PA), Rondonia (RO) Zone America/Porto_Velho -4:15:36 - LMT 1914 - -4:00 Brazil W%sT 1988 Jul - -4:00 - WST + -4:00 Brazil AM%sT 1988 Sep 12 + -4:00 - AMT # -# Amazonas +# Roraima (RR) +Zone America/Boa_Vista -4:02:40 - LMT 1914 + -4:00 Brazil AM%sT 1988 Sep 12 + -4:00 - AMT 1999 Sep 30 + -4:00 Brazil AM%sT +# +# Amazonas (AM) Zone America/Manaus -4:00:04 - LMT 1914 - -4:00 Brazil W%sT 1988 Jul - -4:00 - WST 1993 Jul - -4:00 Brazil W%sT 1994 Jul - -4:00 - WST + -4:00 Brazil AM%sT 1988 Sep 12 + -4:00 - AMT 1993 Sep 28 + -4:00 Brazil AM%sT 1994 Sep 22 + -4:00 - AMT # -# Acre +# Acre (AC) # Rio_Branco is too ambiguous, since there's a Rio Branco in Uruguay too. Zone America/Porto_Acre -4:31:12 - LMT 1914 - -5:00 Brazil A%sT 1988 Jul - -5:00 - AST + -5:00 Brazil AC%sT 1988 Sep 12 + -5:00 - ACT # -# Martin Vaz and Trinidade are like America/Noronha. +# Martin Vaz and Trindade are like America/Noronha. # Chile @@ -434,17 +437,23 @@ Zone America/Porto_Acre -4:31:12 - LMT 1914 # DST earlier (saturday 9/26 at 24:00). This is a one-time change only ... # (unless there's another dry season next year, I guess). +# From Julio I. Pacheco Troncoso (1999-03-18): +# Because of the same drought, the government decided to end DST later, +# on April 3, (one-time change). + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Chile 1918 only - Sep 1 0:00 1:00 S -Rule Chile 1919 only - Jul 2 0:00 0 - -Rule Chile 1927 1931 - Sep 1 0:00 1:00 S -Rule Chile 1928 1932 - Apr 1 0:00 0 - +Rule Chile 1918 only - Sep 1 0:00 1:00 S +Rule Chile 1919 only - Jul 2 0:00 0 - +Rule Chile 1927 1931 - Sep 1 0:00 1:00 S +Rule Chile 1928 1932 - Apr 1 0:00 0 - Rule Chile 1969 1997 - Oct Sun>=9 0:00 1:00 S -Rule Chile 1970 max - Mar Sun>=9 0:00 0 - +Rule Chile 1970 1998 - Mar Sun>=9 0:00 0 - Rule Chile 1998 only - Sep 27 0:00 1:00 S +Rule Chile 1999 only - Apr 4 0:00 0 - Rule Chile 1999 max - Oct Sun>=9 0:00 1:00 S +Rule Chile 2000 max - Mar Sun>=9 0:00 0 - # IATA SSIM anomalies: (1990-09) says 1990-09-16; (1992-02) says 1992-03-14; -# (1996-09) says 1998-03-08. Ignore these for now. +# (1996-09) says 1998-03-08. Ignore these. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Santiago -4:42:40 - LMT 1890 -4:42:40 - SMT 1910 # Santiago Mean Time @@ -461,9 +470,10 @@ Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri # Colombia +# Shanks specifies 24:00 for 1992 transition times; go with IATA, +# as it seems implausible to change clocks at midnight New Year's Eve. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule CO 1992 only - May 2 0:00 1:00 S -# Shanks (1995) estimates 1993-04-03 24:00 for this; go with IATA. Rule CO 1992 only - Dec 31 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 @@ -473,7 +483,7 @@ Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 # no information; probably like America/Bogota # Curacao -# Shanks (1995) says that Bottom and Oranjestad have been at -4:00 since +# Shanks says that Bottom and Oranjestad have been at -4:00 since # standard time was introduced on 1912-03-02; and that Kralendijk and Rincon # used Kralendijk Mean Time (-4:33:08) from 1912-02-02 to 1965-01-01. # This all predates our 1970 cutoff, though. @@ -527,22 +537,14 @@ Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown -4:00 - GYT # Paraguay - -# From Bob Devine (1988-01-28): -# Paraguay: First day in October to last in March. Midnight switch?? -# Since 1980. - -# From U. S. Naval Observatory (1989-01-19): -# PARAGUAY 4 H BEHIND UTC -# PARAGUAY 3 H BEHIND UTC OCT 1, '88-MAR 31, '89 - -# From Shanks (1991): +# From Paul Eggert (1999-10-29): +# Shanks (1999) says that spring transitions are from 01:00 -> 02:00, +# and autumn transitions are from 00:00 -> 23:00. Go with earlier +# editions of Shanks, and with the IATA, who say transitions occur at 00:00. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Para 1975 1978 - Oct 1 0:00 1:00 S +Rule Para 1975 1988 - Oct 1 0:00 1:00 S Rule Para 1975 1978 - Mar 1 0:00 0 - -# Shanks says 1979 was all DST. -Rule Para 1980 1991 - Apr 1 0:00 0 - -Rule Para 1980 1988 - Oct 1 0:00 1:00 S +Rule Para 1979 1991 - Apr 1 0:00 0 - Rule Para 1989 only - Oct 22 0:00 1:00 S Rule Para 1990 only - Oct 1 0:00 1:00 S Rule Para 1991 only - Oct 6 0:00 1:00 S @@ -551,9 +553,16 @@ Rule Para 1992 only - Oct 5 0:00 1:00 S Rule Para 1993 only - Mar 31 0:00 0 - Rule Para 1993 1995 - Oct 1 0:00 1:00 S Rule Para 1994 1995 - Feb lastSun 0:00 0 - -Rule Para 1996 1998 - Mar 1 0:00 0 - -Rule Para 1996 max - Oct Sun>=1 0:00 1:00 S +Rule Para 1996 only - Mar 1 0:00 0 - +# IATA SSIM (1997-09) says Mar 1; go with Shanks. +Rule Para 1997 only - Feb lastSun 0:00 0 - +Rule Para 1998 only - Mar 1 0:00 0 - +Rule Para 1996 1998 - Oct Sun>=1 0:00 1:00 S +# IATA SSIM (1999-02) says lastSat, not lastSun; (1999-09) reports no date; +# go with Shanks. Rule Para 1999 max - Feb lastSun 0:00 0 - +# IATA SSIM (2000-02) says 1999-10-10. +Rule Para 1999 max - Oct Sun>=8 0:00 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Asuncion -3:50:40 - LMT 1890 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time @@ -571,8 +580,9 @@ Rule Peru 1987 only - Jan 1 0:00 1:00 S Rule Peru 1987 only - Apr 1 0:00 0 - Rule Peru 1990 only - Jan 1 0:00 1:00 S Rule Peru 1990 only - Apr 1 0:00 0 - -Rule Peru 1993 only - Jan 1 0:00 1:00 S -Rule Peru 1993 only - Apr 1 0:00 0 - +# IATA is ambiguous for 1993/1995; go with Shanks. +Rule Peru 1994 only - Jan 1 0:00 1:00 S +Rule Peru 1994 only - Apr 1 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Lima -5:08:12 - LMT 1890 -5:09 - LMT 1908 Jul 28 # Lima Mean Time @@ -584,7 +594,7 @@ Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken -2:00 - GST # South Georgia Time # South Sandwich Is -# uninhabited +# uninhabited; scientific personnel have wintered # Suriname # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -603,7 +613,7 @@ Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 # Uruguay # From Paul Eggert (1993-11-18): # Uruguay wins the prize for the strangest peacetime manipulation of the rules. -# From Shanks (1991): +# From Shanks: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # Whitman gives 1923 Oct 1; go with Shanks. Rule Uruguay 1923 only - Oct 2 0:00 0:30 HS @@ -645,10 +655,10 @@ Rule Uruguay 1988 only - Mar 14 0:00 0 - Rule Uruguay 1988 only - Dec 11 0:00 1:00 S Rule Uruguay 1989 only - Mar 12 0:00 0 - Rule Uruguay 1989 only - Oct 29 0:00 1:00 S +# Shanks says no DST was observed in 1990/1 and 1991/2, +# and that 1992/3's DST was from 10-25 to 03-01. Go with IATA. Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 - Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S -# Shanks's 4th edition (1995) says no DST was observed in 1990/1 and 1991/2, -# and that 1992/3's DST was from 10-25 to 03-01. Go with IATA. Rule Uruguay 1992 only - Oct 18 0:00 1:00 S Rule Uruguay 1993 only - Feb 28 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] diff --git a/share/zoneinfo/zone.tab b/share/zoneinfo/zone.tab index 74a8f4b5e81f..7908cded093e 100644 --- a/share/zoneinfo/zone.tab +++ b/share/zoneinfo/zone.tab @@ -1,3 +1,7 @@ +# @(#)zone.tab 1.18 +# +# $FreeBSD$ +# # TZ zone descriptions # # From Paul Eggert (1996-08-05): @@ -36,6 +40,7 @@ AQ -6736+06253 Antarctica/Mawson Mawson Station, Holme Bay AQ -6835+07758 Antarctica/Davis Davis Station, Vestfold Hills AQ -6617+11031 Antarctica/Casey Casey Station, Bailey Peninsula AQ -6640+14001 Antarctica/DumontDUrville Dumont-d'Urville Base, Terre Adelie +AQ -690022+0393524 Antarctica/Syowa Syowa Station, E Ongul I AR -3436-05827 America/Buenos_Aires E Argentina (BA, DF, SC, TF) AR -3257-06040 America/Rosario NE Argentina (SF, ER, CN, MN, CC, FM, LP, CH) AR -3124-06411 America/Cordoba W Argentina (CB, SA, TM, LR, SJ, SL, NQ, RN) @@ -75,7 +80,8 @@ BR -0712-04812 America/Araguaina Tocantins BR -0940-03543 America/Maceio Alagoas, Sergipe BR -2332-04637 America/Sao_Paulo S & SE Brazil (BA, GO, DF, MG, ES, RJ, SP, PR, SC, RS) BR -1535-05605 America/Cuiaba Mato Grosso, Mato Grosso do Sul -BR -0846-06354 America/Porto_Velho W Para, Rondonia, Roraima +BR -0846-06354 America/Porto_Velho W Para, Rondonia +BR +0249-06040 America/Boa_Vista Roraima BR -0308-06001 America/Manaus Amazonas BR -0934-06731 America/Porto_Acre Acre BS +2505-07721 America/Nassau @@ -87,14 +93,15 @@ CA +4734-05243 America/St_Johns Newfoundland Island CA +4439-06336 America/Halifax Atlantic Time - Nova Scotia (most places), NB, W Labrador, E Quebec & PEI CA +4612-05957 America/Glace_Bay Atlantic Time - Nova Scotia - places that did not observe DST 1966-1971 CA +5320-06025 America/Goose_Bay Atlantic Time - E Labrador -CA +6608-06544 America/Pangnirtung Atlantic Time - Northwest Territories CA +4531-07334 America/Montreal Eastern Time - Ontario & Quebec - most locations CA +4901-08816 America/Nipigon Eastern Time - Ontario & Quebec - places that did not observe DST 1967-1973 CA +4823-08915 America/Thunder_Bay Eastern Time - Thunder Bay, Ontario -CA +6344-06828 America/Iqaluit Eastern Time - Northwest Territories CA +4953-09709 America/Winnipeg Central Time - Manitoba & west Ontario CA +4843-09429 America/Rainy_River Central Time - Rainy River & Fort Frances, Ontario -CA +6245-09210 America/Rankin_Inlet Central Time - Northwest Territories +CA +6608-06544 America/Pangnirtung Central Time - Pangnirtung, Nunavut +CA +6344-06828 America/Iqaluit Central Time - east Nunavut +CA +6245-09210 America/Rankin_Inlet Central Time - central Nunavut +CA +6903-10505 America/Cambridge_Bay Central Time - west Nunavut CA +5024-10439 America/Regina Central Standard Time - Saskatchewan - most locations CA +5017-10750 America/Swift_Current Central Standard Time - Saskatchewan - midwest CA +5333-11328 America/Edmonton Mountain Time - Alberta, east British Columbia & west Saskatchewan @@ -117,7 +124,6 @@ CL -2710-10927 Pacific/Easter Easter Island CM +0403+00942 Africa/Douala CN +4545+12641 Asia/Harbin north Manchuria CN +3114+12128 Asia/Shanghai China coast -CN +2217+11409 Asia/Hong_Kong Hong Kong CN +2934+10635 Asia/Chungking China mountains CN +4348+08735 Asia/Urumqi Tibet & Xinjiang CN +3929+07559 Asia/Kashgar Eastern Turkestan @@ -174,6 +180,7 @@ GT +1438-09031 America/Guatemala GU +1328+14445 Pacific/Guam GW +1151-01535 Africa/Bissau GY +0648-05810 America/Guyana +HK +2217+11409 Asia/Hong_Kong HN +1406-08713 America/Tegucigalpa HR +4548+01558 Europe/Zagreb HT +1832-07220 America/Port-au-Prince @@ -220,7 +227,8 @@ LV +5657+02406 Europe/Riga LY +3254+01311 Africa/Tripoli MA +3339-00735 Africa/Casablanca MC +4342+00723 Europe/Monaco -MD +4700+02850 Europe/Chisinau +MD +4700+02850 Europe/Chisinau most locations +MD +4651+02938 Europe/Tiraspol Transdniestria MG -1855+04731 Indian/Antananarivo MH +0709+17112 Pacific/Majuro most locations MH +0905+16720 Pacific/Kwajalein Kwajalein @@ -228,7 +236,8 @@ MK +4159+02126 Europe/Skopje ML +1239-00800 Africa/Bamako southwest Mali ML +1446-00301 Africa/Timbuktu northeast Mali MM +1647+09610 Asia/Rangoon -MN +4755+10653 Asia/Ulan_Bator +MN +4755+10653 Asia/Ulaanbaatar most locations +MN +4801+09139 Asia/Hovd Bayan-Olgiy, Hovd, Uvs MO +2214+11335 Asia/Macao MP +1512+14545 Pacific/Saipan MQ +1436-06105 America/Martinique @@ -238,12 +247,12 @@ MT +3554+01431 Europe/Malta MU -2010+05730 Indian/Mauritius MV +0410+07330 Indian/Maldives MW -1547+03500 Africa/Blantyre -MX +2105-08646 America/Cancun Eastern Time -MX +1924-09909 America/Mexico_City Central Time -MX +2313-10625 America/Mazatlan Mountain Time - most locations +MX +1924-09909 America/Mexico_City Central Time - most locations +MX +2105-08646 America/Cancun Central Time - Quintana Roo +MX +2313-10625 America/Mazatlan Mountain Time - S Baja, Nayarit, Sinaloa MX +2838-10605 America/Chihuahua Mountain Time - Chihuahua -MX +3152-11637 America/Ensenada Pacific Time - most locations -MX +3232-11701 America/Tijuana Pacific Time - north Baja California +MX +2904-11058 America/Hermosillo Mountain Standard Time - Sonora +MX +3232-11701 America/Tijuana Pacific Time MY +0310+10142 Asia/Kuala_Lumpur peninsular Malaysia MY +0133+11020 Asia/Kuching Sabah & Sarawak MZ -2558+03235 Africa/Maputo @@ -326,13 +335,16 @@ TK -0922-17114 Pacific/Fakaofo TM +3757+05823 Asia/Ashkhabad TN +3648+01011 Africa/Tunis TO -2110+17510 Pacific/Tongatapu +TP -0833+12535 Asia/Dili TR +4101+02858 Europe/Istanbul TT +1039-06131 America/Port_of_Spain TV -0831+17913 Pacific/Funafuti TW +2503+12130 Asia/Taipei TZ -0648+03917 Africa/Dar_es_Salaam UA +5026+03031 Europe/Kiev most locations -UA +4457+03406 Europe/Simferopol Crimea +UA +4837+02218 Europe/Uzhgorod Ruthenia +UA +4750+03510 Europe/Zaporozhye Zaporozh'ye, E Lugansk +UA +4457+03406 Europe/Simferopol central Crimea UG +0019+03225 Africa/Kampala UM +1700-16830 Pacific/Johnston Johnston Atoll UM +2813-17722 Pacific/Midway Midway Islands