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

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 ...

When time adjusts an hour, setting your clock the night before allows you to wake up with the adjusted time, which prevents ...

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 ...

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

How we came to move the clock forward in the spring and then push it back in the fall is a tale that spans over more than a ...

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 ...

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

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.

Arizona doesn't participate in Daylight Saving Time, which means that we won't have to adjust our clocks or worry about our sleep.