PreciseTime clocks (BC150,  RF250, HD350, B3000) have the ability to automatically adjust for Daylight Savings Time.

To set Daylight Savings Time:

In the clock Menu go to Settings

Date/Time

Arrow down to Daylight Saving Time and enable it

Arrow down to Daylight Savings Mode. press the M key. choose Date/Time. press the M key

Arrow down To Daylight Savings Setup and press the M key

Change the Start date to 03 10 (For 2024), press the M key (this is for March 10, 2024)

Change the Start time to 0200, press the M key

Change the End date to 11 03, press the M key

Change the time to 0200, press the M key