Arizona does not observe daylight saving time, remaining on Mountain Standard Time year-round and avoiding the annual shift ...

Daylight saving time is forcing a lot of people to move their clocks forward by an hour. But people who live here won't have ...

You may have been groggy this morning thanks to our clocks “springing forward” an hour overnight. Unless, of course, you live in either of the two states that don’t observe daylight saving ...

Daylight Saving Time for 2025 begins in most parts of the United States at 2 a.m. on Sunday, with Americans losing an hour of sleep but gaining one of daylight.

A poster from 1918 encourages citizens to write a postcard and lobby Congress in support of daylight saving time. Credit: ...

Clocks had to "spring forward" one hour at 2 a.m. on Sunday, March 9, 2025, causing most people to lose an hour of sleep. We won't "fall back" to standard time again until Nov. 2, the first Sunday of ...

The time change can be hard on our health. There are more car accidents, strokes and heart attacks this week. People eat more ...