diff --git a/util/board_status/to-wiki/towiki.sh b/util/board_status/to-wiki/towiki.sh
index 769ae5f6cd..cf25cc2ff3 100755
--- a/util/board_status/to-wiki/towiki.sh
+++ b/util/board_status/to-wiki/towiki.sh
@@ -19,7 +19,7 @@ while read line; do
 		commit=`echo $i | cut -d/ -f3`
 		datetime_path=`echo $i | cut -d/ -f4`
 		datetime=`echo $datetime_path | tr _ :`
-		datetime_human=`LC_ALL=C TZ=UTC date --date="$datetime"`
+		datetime_human=`LC_ALL=C TZ=UTC0 date --date="$datetime"`
 		upstream=`grep "^Upstream revision:" $vendor_board/$commit/$datetime_path/revision.txt |cut -d: -f2-`
 		upstream=`git log -1 --format=%H $upstream`
 		if ! echo "$have"| grep  "^$vendor_board:" > /dev/null; then
diff --git a/util/genbuild_h/genbuild_h.sh b/util/genbuild_h/genbuild_h.sh
index 044d901195..3575ad4c35 100755
--- a/util/genbuild_h/genbuild_h.sh
+++ b/util/genbuild_h/genbuild_h.sh
@@ -20,7 +20,7 @@ TIMESOURCE=""
 
 export LANG=C
 export LC_ALL=C
-export TZ=UTC
+export TZ=UTC0
 
 top=`dirname $0`/../..
 
@@ -35,7 +35,7 @@ elif [ -e "${top}/.git" -a -x "$(command -v git)" ]; then
 else
 	GITREV=Unknown
 	TIMESOURCE="date"
-	DATE=$(LANG= LC_ALL=C TZ=UTC date +%s)
+	DATE=$(LANG= LC_ALL=C TZ=UTC0 date +%s)
 fi
 
 our_date() {
diff --git a/util/release/build-release b/util/release/build-release
index 089984b595..a3cec3eb8c 100755
--- a/util/release/build-release
+++ b/util/release/build-release
@@ -13,7 +13,7 @@ set -e
 # set local + tz to be reproducible
 LC_ALL=C
 LANG=C
-TZ=UTC
+TZ=UTC0
 export LC_ALL LANG TZ
 
 if [ -z "$VERSION_NAME" ] || [ "$VERSION_NAME" = "--help" ] || [ -z "$COMMIT_ID" ]; then
diff --git a/util/scripts/update_submodules b/util/scripts/update_submodules
index fbf9d4f5b1..b555495eda 100755
--- a/util/scripts/update_submodules
+++ b/util/scripts/update_submodules
@@ -21,7 +21,7 @@
 
 export LANG=C
 export LC_ALL=C
-export TZ=UTC
+export TZ=UTC0
 
 min_commits=10