In March, millions of Americans turn their clocks forward, marking the start of daylight saving time in 2025. Daylight saving time starts at 2 a.m. Sunday, March 9. In the spring, participating states turn clocks forward one hour on the second Sunday of March, causing us to spring forward and lose an hour of sleep.

In 2025, Americans will “spring ahead” on Sunday, March 9, marking the end of standard time and the beginning of daylight saving time. At that time, clocks will jump ahead one hour from 2 a.m. to 3 a.m.

Here's when daylight savings time starts and ends this year and what would happen around the country if it ends permanently in 2025.

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Daylight saving time will start on Sunday, March 9. The “spring forward” changeover officially takes place at 2 a.m., when we move the clocks ahead by one hour, meaning sunrise and sunset will be about one hour later on March 9 than the day before and there will be more light in the evening and less in the morning.

In March, millions of Americans will turn their clocks forward, marking the start of daylight saving time in 2025. The controversial practice of "springing forward" and "falling back" has been observed in most states for decades.