When Does Dst 2024. Daylight saving time for 2024 began at 2 a.m. In the united states, this has the effect of creating more sunlit hours in the evening during months when the weather is the warmest.
Sunrise and sunset will be about 1 hour later on march 9, 2025, than the day before. Daylight saving time begins on sunday, march 9, 2025, at 2:00 a.m.