* lib/mdate.sh (TZ): Use portable setting.

diff --git a/lib/mdate-sh b/lib/mdate-sh
index 6dd5b21e773aa4e4811d5ab4d1504704483f3c7a..34de97554a83ab98dcc12ae485e219bcb047a80b 100755 (executable)
--- a/lib/mdate-sh
+++ b/lib/mdate-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Get modification time of a file or directory and pretty-print it.
 
-scriptversion=2017-09-19.11; # UTC
+scriptversion=2017-09-22.02; # UTC
 
 # Copyright (C) 1995-2017 Free Software Foundation, Inc.
 # written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
@@ -75,7 +75,7 @@ LC_TIME=C
 export LC_TIME
 
 # Use UTC to get reproducible result.
-TZ=UTC
+TZ=UTC0
 export TZ
 
 # GNU ls changes its time format in response to the TIME_STYLE