Daylight saving time in the United States for 2025 will start on Sunday, March 9, 2025, when clocks "spring forward" by one hour at 2:00 AM local time. It will end on Sunday, November 2, 2025, at 2:00 AM local time, when clocks "fall back" one hour to standard time.
In Europe, such as Germany, daylight saving time will start on Sunday, March 30, 2025, at 2:00 AM local time, when clocks move forward one hour, and will end on Sunday, October 26, 2025, at 3:00 AM local time, when clocks move back one hour.
Generally, daylight saving time begins in spring and ends in fall, shifting clocks forward in spring to extend evening daylight and back in fall to shift daylight to morning.