"Every clock needs two components: first, a time base generator, such as a pendulum in a pendulum clock, or even a quantum oscillation.

St Augustine's clock in East Hendred has been keeping time since Henry VIII was on the throne. Villagers have been celebrating the 500th birthday of the clock in their parish church. The timepiece ...

A new atomic clock is one of the world’s best timekeepers, researchers say — and after years of development, the “fountain”-style clock is now in use helping keep official U.S. time.

New Atomic Fountain Clock Props Up the World's Time With Pinpoint Precision Learn about NIST-F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire ...

It is both a cinematic collage and a working clock, of a kind, displaying the current time, day and night, whether or not the museum is open.

Atomic clocks record time using microwaves to measure the frequency of quantum vibrations of electrons. They are the basis upon which a second is defined. But there’s a new kid on the block, the ...

After approximately four months of observing standard time, clocks will spring forward overnight as the observance of daylight saving time begins in much of the United States.

Congress has tried – and failed – to make daylight saving time the permanent standard time across the country.

This weekend, Daylight Saving Time begins. Some clocks require special care. By James Barron Good morning. It’s Friday. Today we’ll look at how the spring-forward time change this weekend ...

As we prepare to spring forward and move our clocks one hour ahead this weekend, there is a push to end Daylight Saving Time in Oklahoma.

Daylight Saving Time officially begins in North America on Sunday, March 9, 2025. People will be required to move their clocks forward by an hour.

If some lawmakers (and President Donald Trump) have their way, this could be the last time we change the clocks, too.