Daylight Savings Time 2025 Usa. In the early 20th century to conserve fuel for world war i, according. With the start of the time change on march 12 in the us, sunrise and sunset will be approx.

On saturday night, clocks are set forward 1 hour (i.e., losing one hour) to “spring forward.” sunrise and sunset will be about 1 hour later on march 9,. With the end of daylight saving time on november 3, 2024 in the us, sunrise and sunset will be about one hour earlier.