diff --git a/etc/crontab b/etc/crontab
index fd3760bf6f8a..dc2cf67bc73c 100644
--- a/etc/crontab
+++ b/etc/crontab
@@ -1,6 +1,6 @@
 # /etc/crontab - root's crontab for FreeBSD
 #
-# $Id: crontab,v 1.7 1994/09/26 20:15:50 ache Exp $
+# $Id: crontab,v 1.8 1994/11/01 16:25:06 ache Exp $
 # From: Id: crontab,v 1.6 1993/05/31 02:03:57 cgd Exp
 #
 SHELL=/bin/sh
@@ -18,3 +18,8 @@ HOME=/var/log
 0	2	*	*	*	root	/etc/daily
 30	3	*	*	6	root	/etc/weekly
 30	5	1	*	*	root	/etc/monthly
+#
+# time zone change adjustment for wall cmos clock,
+# does nothing, if you have UTC cmos clock.
+# See adjkerntz(8) for details.
+1,31	0-4	*	*	*	root	/sbin/adjkerntz	-a