There are two main ways to measure time: dynamic and atomic. Dynamic simply means motion. How long does it take the Earth to revolve around the sun?

Each year, Daylight Saving Time (DST) starts on the second Sunday in March and ends on the first Sunday in November. Daylight Saving Time is observed by majority of U.S. states, except for Hawaii and ...

Why have just one technological breakthrough when you can have two at the same time? The Royal Navy has installed for the first time a quantum clock into its XV Excalibur robotic submarine for ...

Scientists in Germany have unveiled that the world’s most precise mobile atomic clock is so accurate that it will be off by ...

On Sunday, Nov. 2, we head back into Standard Time and say goodbye to Daylight Saving Time until March 8, 2026.

Infleqtion, a global leader in neutral atom–based quantum technology, today announced a successful trial with the Royal Navy ...

When do the clocks fall back and we gain an extra hour of sleep? Here's what to know about the end of daylight saving time in ...

The first-ever deployment of a quantum optical atomic clock on an underwater autonomous submarine has been successfully ...

On Sunday, Daylight Saving Time ended at 2 a.m. That’s the time when we “fall back’' by setting our clocks back one hour, and ...

It's time for most of America to move clocks back on Sunday. Daylight saving time ends in the U.S. at 2 a.m. local time, which means setting your clock back an hour.

Daylight saving time — often incorrectly referred to as daylight savings time — ends Sunday, Nov. 2, which means it’s time to set clocks back an hour. Spring forward and fall back, right? There is ...

Experts with the Bulletin of the Atomic Scientists in Chicago analyze the risks, both as they’re depicted in the movie and in ...