When Did Daylight Savings Time Start 2024. When does daylight savings time 2024 start? In countries in the northern hemisphere, clocks are usually set.
Daylight saving time, system for uniformly advancing clocks, so as to extend daylight hours during conventional waking time in the summer months. With the start of daylight saving time on march 10, 2024 in the us, sunrise and sunset will be approx.