Here's a quick refresher on when daylight saving time started and ends this year and when the first official day of astronomical summer is.

Daylight saving time in 2025, when clocks change by an hour, has begun. Here's a look at when exactly we "spring forward" and how daylight saving time works. What time exactly does the time change ...

Daylight saving time began early Sunday morning, but Arizonans didn't need to adjust their clocks — only how they track time in the rest of the country. Arizona does not observe daylight saving ...

Time will "spring forward" one hour early Sunday morning for daylight saving time. Here's what that means.

It’s OK if you haven’t gone to sleep and gotten up earlier to prepare for Daylight Saving Time. Here’s how you can still adapt.

Researchers are discovering that "springing ahead" each March for daylight saving time is connected with serious negative health effects.

Scuffles over Daylight Saving Time and its legislative ilk have roiled Congress for centuries. Here's how the long, tumultuous battle over control of the clock has unfolded so far.

Daylight saving time starts this weekend, meaning you'll need to turn your clocks forward, losing one hour of sleep.

Daylight saving time starts this weekend, meaning you'll need to turn your clocks forward, losing one hour of sleep.

Scientists agree that Daylight Saving Time is bad for us, but they may also have suggestions to make things a little better.

Congress has been asked repeatedly since 2018 to stop the twice-annual practice of changing between daylight saving and standard time.