diff --git a/configure/CONFIG_SITE_ENV b/configure/CONFIG_SITE_ENV
index 8d13f116e..cd6c2955e 100644
--- a/configure/CONFIG_SITE_ENV
+++ b/configure/CONFIG_SITE_ENV
@@ -31,9 +31,11 @@
 # EPICS_TIMEZONE needed for vxWorks
 # EPICS_TIMEZONE=<name>::<minutesWest>:<start daylight>:<end daylight>
 # eg EPICS_TIMEZONE=CUS::360:033102:102802
+#  DST for 2003  US: Apr  6 - Oct 26
+#                EU: Mar 30 - Oct 26
 # EPICS_TS_NTP_INET ntp or Unix time server ip addr.
 
-EPICS_TIMEZONE=CUS::360:033102:102802
+EPICS_TIMEZONE=CUS::360:040602:102602
 EPICS_TS_NTP_INET=