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

According to scientists at NIST in Boulder, their newest atomic clock, the NIST-F4, will help track time more precisely and help put global time on a more accurate frequency.

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 ...

U.S. lawmakers held their first hearing Thursday in more than three years on a long-running debate to end the practice of switching clocks twice a year.

For years, Congress has tried to put a lock on the clock, get rid of seasonal time change and decide whether to make daylight saving time or standard time permanent. A Senate committee hearing ...

A Senate committee hearing has been set to discuss daylight saving time. Could it be a sign that Congress is setting its sights on the twice-a-year practice?

There’s a movement afoot to do away with Daylight Saving Time (DST), which is when our timepieces go forward an hour and we lose that sleep. The notion has gained favor with Elon Musk and ...

When does daylight saving time start in 2025? This year we 'spring forward' to lose an hour of sleep at 2 a.m. Sunday, March 9.