10.3.9 Daylight Savings Time Problem (DST Patch applied), it was working

We have about 30 Macs running 10.3.9, all of which were patched last year with the DST patch (2007). They are all configured to set the date and time automatically using time.apple.com. The user account used by the people using them is a non-administrator account.
Since Daylight Savings Time changed in March 9, 2008, they correctly changed their time until late last week (end of March), when several of them went back to the old time. If I open the Date & Time System Preference Pane and authenticate, the clock changes to the correct time, without any further input from me other than authenticating as the admin. Once changed, some but not all go back to the incorrect time about a day later.
Any ideas? I am trying to see if there is a simpler solution that resetting PRAM, throwing away cache files, etc.
Other machines running newer versions of the OS don't have the issue.
Thanks in advance for any input and/or advice.

hypermouse1, welcome to Apple Discussions.
How long has it been since you changed the internal memory battery? Check this site for battery part numbers and sources.
Mac PRAM, NVRAM, CUDA/PMU & Battery Tutorial
http://www.geocities.com/texas_macman/pram.html
 Cheers, Tom

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If you found this post or any other psot helpful please press the green kudus star

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Symptom
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Message was edited by:
user557097

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10.3.9 Daylight Savings Time Problem (DST Patch applied), it was working

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