Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

Many Americans have long grown frustrated with the constant time shifts. Here's what to know about the state of daylight ...

Making a mechanical Lego clock that keeps time for a billion years is an extraordinary engineering feat. This intricate clock ...

While you won't gain an extra hour of sleep this time, but the sun will begin to set after 7 p.m. for Iowans in a few weeks.

The annual ritual of setting clocks forward one hour takes place in early March. Here's what to know about DST in 2025.

Daylight saving time begins at 2 a.m. on Sunday, March 9, at which time clocks 'spring forward' and reset to 3 a.m. In the ...

If some lawmakers (and President Donald Trump) have their way, this could be the last time we change the clocks, too. Trump didn’t clarify which side of the clock he’s on, but recent pushes ...

Daylight saving time is starting soon and here’s what to know about springing forward in March. Daylight saving time begins on Sunday, March 9, at 2 a.m., so remember to change your clocks before bed.

The clock's new time of 89 seconds to midnight was announced on 28 January, moving one second closer than where it had remained for the previous two years. But what does it actually mean?

By it, we mean the twice-annual time change, and the one coming up in a few weeks is the tough one, when almost every ...

Over the last 78 years, the clock’s time has changed according to how close scientists believe the human race is to total destruction. Some years the time changes, and some years it doesn’t.

If some lawmakers (and President Donald Trump) have their way, this could be the last time we change the clocks, too. Trump didn’t clarify which side of the clock he’s on, but recent pushes ...