This weekend is prime time for the Sunday Scaries, because you’ll know Monday’s alarm will go off even earlier than it ...

Daylight saving time​ in 2025, when clocks change by an hour, has started. Here's a look at when exactly we "spring forward." ...

Time isn’t a clock, but a river. It doesn’t reset when the day is done, but flows constantly forward. You can either stand in the stream, trying to carve time into a rigid schedule, or you can step in ...

This Sunday, the clocks will go forward by one hour at 1am, marking the start of British Summer Time (BST), another name for ...

JILA researchers are pioneering a nuclear clock using thorium-229, which offers unprecedented stability compared to atomic ...

"Staying on standard time year-round is much better," biologist Carla Finkelstein told Newsweek about the increasingly controversial practice.

"More than 60% of the countries in the world use standard time all year," the site says. "The remaining countries use DST during the summer months, generally setting clocks forward one hour from ...

Too much light in the evening — that extra hour from daylight saving time — delays that surge and the cycle gets out of sync. And that circadian clock affects more than sleep, also influencing ...