Evan,

I stumbled across this on the net (tucows).

Daylight Savings Hack
Version Number: 2.1.3
Revision Date: February 4th, 2000
Byte Size: 7.9 KB (8,095 bytes)
License: Freeware
Home Page: http://www.benc.hr/dshack.htm
Additional Software Required: HackMaster
Description: A HackMaster extension that automatically adjusts your clock for Daylight Savings time when the time comes. Includes both European and US Daylight Savings times.

Hope this helps.