La Crosse Technology Wireless Weather Station Instruction Manual page 28

The time zone default is "EST -5". To set a different time zone:
1. The current time zone value starts flashing.
2. Use the + key to set the time zone. The range runs from -5, -6, -7 ...-12, 12, 11, 10... 0, -1,
-2, -3, -4 hr, in consecutive 1-hour intervals.
(The U.S. time zones are: -5hr(EST), -6hr(CST), -7hr(MST) and -8hr(PST), -9hr (ALA)
and -10hr (HAW).)
3. Confirm with the SET key and enter the Daylight Saving Time (DST) setting.
DAYLIGHT SAVING TIME SETTING ON/ OFF
flashing
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