ZENworks for Servers SPK for Updating NetWare Servers to New Time Zone Information. It updates Autoexec.ncf, runs the SET command to change the dates for Start/End of Daylight Savings time, and also copies and installs the patch for JVM 1.4.x for Netware servers.
For more information read the article: Using ZENworks for Servers to automate patching NetWare servers with new Time Zone Information.
Disclaimer: As with everything else at Cool Solutions, this content is definitely not supported by Novell (so don't even think of calling Support if you try something and it blows up).
It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test, test, test before you do anything drastic with it.