Daylight saving time (DST) is due to go into effect across most, but not all, of the United States and its territories on ...
After approximately four months of observing standard time, clocks will spring forward overnight as the observance of daylight saving time begins in much of the United States.
Daylight saving time started on March 9, 2025. Here's a look at a 24-hour chart comparing daylight saving time (DST) and standard time (ST) and tips that can help you adjust.