Losing that hour of sleep can do more than leave you tired and cranky the next day; it also could harm your health.

The Sunday that loses an hour is typically followed by one of the market’s worst-performing Mondays.

Generally speaking, daylight saving time clock changes are unpopular. Research shows most Americans favor ditching the ...

It’s time to spring forward – again. Daylight saving time, when most Americans set their clocks forward one hour, starts this ...

The 2026 one-hour "spring forward" starts at 2 a.m. on Sunday, March 8.

Research suggests the U.S. loses more than just an hour of sleep when we spring forward by turning the clocks back.

Ahead of the clocks springing forward this weekend, you may be wondering why exactly the clocks are moved forward and ...

Daylight saving time starts Sunday, March 8. Here's when clocks change and why the U.S. still observes DST.

Here's everything you need to know about daylight saving time period, which sees the clocks move forward by an hour.

Clocks are set to spring forward for much of the country this weekend, but not in Arizona. Here's what to know about daylight saving time here.

Most Americans change clocks for Daylight Saving—but Hawaii, most of Arizona and U.S. territories stay on standard time.

Daylight saving time always begins on the second Sunday in March and ends on the first Sunday in November. This year, the ...