diff --git a/release/Makefile.azure b/release/Makefile.azure
index 310b0eb97da8..12fd3484291e 100644
--- a/release/Makefile.azure
+++ b/release/Makefile.azure
@@ -17,7 +17,7 @@ AZURE${VAR}!=	grep -E ^AZURE${VAR} ${AZURE_UPLOAD_CONF} | awk -F'	' '{print $$2}
 .endif
 
 .if ${BRANCH} == "STABLE" || ${BRANCH} == "CURRENT" || ${BRANCH} == "PRERELEASE"
-SNAPSHOT_DATE!=		date +-%Y-%m-%d-%H-%M
+SNAPSHOT_DATE!=		date +-%Y-%m-%d
 .endif
 
 AZURE_TARGET:=		${OSRELEASE}${SNAPSHOT_DATE}.vhd
diff --git a/release/Makefile.ec2 b/release/Makefile.ec2
index f0b4459daffd..2695183d90f1 100644
--- a/release/Makefile.ec2
+++ b/release/Makefile.ec2
@@ -6,7 +6,7 @@
 #
 
 .if ${BRANCH} == "CURRENT" || ${BRANCH} == "STABLE" || ${BRANCH} == "PRERELEASE"
-AMINAMESUFFIX!=	date +-%Y-%m-%d-%H-%M
+AMINAMESUFFIX!=	date +-%Y-%m-%d
 .endif
 .if defined(EC2PUBLIC)
 PUBLISH=	--public
diff --git a/release/Makefile.gce b/release/Makefile.gce
index c864aa1a06ca..b6b6577cc7bd 100644
--- a/release/Makefile.gce
+++ b/release/Makefile.gce
@@ -19,7 +19,7 @@ CLEANFILES+=		${GCE_UPLOAD_TGTS}
 GCE_BUCKET?=
 
 .if ${BRANCH} == "STABLE" || ${BRANCH} == "CURRENT" || ${BRANCH} == "PRERELEASE"
-SNAPSHOT_DATE!=		date +-%Y-%m-%d-%H-%M
+SNAPSHOT_DATE!=		date +-%Y-%m-%d
 .endif
 
 # Really?  Uppercase characters are not allowed?  Sigh...
diff --git a/release/Makefile.vagrant b/release/Makefile.vagrant
index ed04944bf7a3..307e21f72745 100644
--- a/release/Makefile.vagrant
+++ b/release/Makefile.vagrant
@@ -18,7 +18,7 @@ ATLAS${VAR}:=		${VAGRANT${VAR}}
 .endif
 
 .if ${BRANCH} == "STABLE" || ${BRANCH} == "CURRENT" || ${BRANCH} == "PRERELEASE"
-SNAPSHOT_DATE!=		date +-%Y-%m-%d-%H-%M
+SNAPSHOT_DATE!=		date +-%Y-%m-%d
 .endif
 
 VAGRANT_VERSION?=	${REVISION}-${BRANCH}${SNAPSHOT_DATE}