Switching to permanent standard time would prevent about 300,000 cases of stroke per year and result in 2.6 million fewer ...

Proponents of permanent standard time contend that more morning light is better for our health. Organizations including the ...

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

On Sunday, Nov. 2, participants will turn their clocks back from 2 a.m. to 1 a.m. — marking the end of Daylight Saving Time (DST) and the beginning of Standard Time (ST). At this time, sunrise and ...

We found that staying in standard time or staying in daylight saving time is definitely better than switching twice a year’ ...

Daylight saving time ends in November. When does the time change? Will Ohio ever eliminate daylight saving time? More on why ...

If you already dread changing the clocks, a new study from sleep researchers with Stanford Medicine may have you researching a move to Hawaii or Arizona, the two states that do not observe daylight ...

The U.S. has observed daylight saving time since 1918, but some Texas legislators say it disrupts safety and productivity.

When do the clocks fall back? When does daylight saving time end 2025? Here's what to know and when to change the clocks.

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

The twice-annual time change can cause confusion and disruptions to schedules for children, adults and pets. Here's what to ...

A Stanford study shows daylight saving time raises health risks, while standard time better aligns with human biology.