Daylight saving time becoming permanent could have negative consequences for vaccines and increase cancer cases, experts say.

The sun rises behind the skyline of midtown Manhattan and the Empire State Building in New York City on March 10, 2026, as seen from Union C...

The U.S. is one step closer to locking the clocks.

Federal lawmakers are again exploring the idea of making daylight saving time permanent, but what is the next step in that process? This...

The legislation, known as the Sunshine Protection Act and backed by President Donald Trump, now heads to the Senate for consideration.

The Sunshine Protection Act would make DST permanent, but others are arguing for permanent Standard Time.

As the Sunshine Protection Act continues to advance, a historical example of year-round daylight savings does exist.

The Sunshine Protection Act, which the House approved by a bipartisan vote of 308–117 Tuesday, would implement year-round daylight saving ti...

Last time this happened the Senate passed it. It never became law.

The Senate would also have to pass the bill before it could be signed into law, but it’s unclear if it will do so. House passes bill to ‘d...

There will be no turning back the clock if the House has its way

The U.S. Capitol building in Wsahington, D.C., on July 12, 2026. —Kevin Carter—Getty ImagesThe House on Tuesday passed a bill that would mak...

Congress is expected to consider a bill this week that would put an end to the annual clock-switching practiced in most states.

The House could vote on a bill this week that would make daylight saving time permanent.

Congress could soon vote on a bill that, if passed, would make daylight saving time permanent in the U.S., a transition sleep experts have q...