Will we lose or gain an hour of sleep during the time change? When do clocks spring forward? What to know about daylight ...

Most of the U.S. will move clocks ahead one hour at 2 a.m. on Sunday, March 8, bringing later sunsets but darker mornings at ...

Add Yahoo as a preferred source to see more of our stories on Google. It's time to fall back. Daylight saving time ends this weekend. On Sunday, Nov. 2, at 2 a.m., clocks will "fall back" to standard ...

The new Doomsday Clock time has been set by the Bulletin of the Atomic Scientists. Here’s what it means.

Time is almost up on the way we track each second of the day, with optical atomic clocks set to redefine the way the world ...