When Is Spring Time Change 2025 In The Us. Starts on march 20, 2025, at 11:06 pm and lasts until june 20, 2025, at 4:51 pm (93 days) summer:. Daylight saving time (dst) 2025 in united states.

Daylight saving time 2025 begins on the second sunday in march in most areas of the us. Why does daylight saving time start at 2 a.m.?