Yep, in my mind this is one of the hallmarks of a well-designed digital desk clock: a 2-position hardware switch for DST on/off.
Well. In most places. https://en.wikipedia.org/wiki/Daylight_saving_time#Procedure
(edit to be clear: not all places use 1 hour offsets)
Well. In most places. https://en.wikipedia.org/wiki/Daylight_saving_time#Procedure
(edit to be clear: not all places use 1 hour offsets)