Most Americans change clocks for Daylight Saving—but Hawaii, most of Arizona and U.S. territories stay on standard time.

Ahead of the clocks springing forward this weekend, you may be wondering why exactly the clocks are moved forward and backward.

From candles that drop metal nails to the knocker uppers of industrial Britain, people devised plenty of cunning ways to ensure a timely wake-up before alarm clocks came along.

Generally speaking, daylight saving time clock changes are unpopular. Research shows most Americans favor ditching the ...

Americans will set their clocks forward one hour this weekend for daylight saving time, which extends evening daylight during ...

A bill recently introduced in Congress proposes half-daylight saving time, permanently setting clocks 30 minutes forward from standard time.

Time could be running out in New Jersey for “springing” clocks forward or “falling” back. Some lawmakers want Daylight Saving ...

The time change known as daylight savings starts Sunday, March 8, 2026. Most Americans lose an hour of sleep when clocks "spring forward." ...

In the U.S., DST was implemented with the Standard Time Act of 1918, a measure adding more daylight hours to conserve energy ...