When is daylight savings? We change clocks behind an hour or "fall back" at 2 am ET Sunday, Nov. 2, 2025. DST starts, "spring ...

There has been much debate over the practice, but around 70 countries — approximately 40% of those worldwide — currently use ...

This year, Daylight Saving began on March 9, when 2 a.m. became 3 a.m. Nearly all of the U.S. will remain on standard time ...

Daylight saving time is not only jarring but also unhealthy, according to a new study by Stanford scientists. The findings ...

Does the tradition of falling back and springing forward seem like too much to bear? The Uniform Time Act of 1966 standardized time zones and daylight saving practices around the United States, but it ...

Fall is around the corner, which means the end of this year's daylight saving time is coming up. Here's what to know.

Stanford Medicine researchers have discovered there are long-term health hazards from changing the clocks twice a year—and ...

A new report finds less than a third of Americans get the appropriate sleep per night. Chronic sleep loss can have significant effects on one's health. And now, with daylight saving time kicking in ...

PHILADELPHIA -- We will spring our clocks forward by an hour on March 10 for Daylight Saving Time, which means we'll lose an hour of sleep. The switch is the subject of a lot of debate, but there are ...