A thorium nuclear clock resides at the JILA laboratory in Colorado. Gerginov, dressed casually in a short-sleeve plaid shirt and sneakers, spoke of the instrument with an air of pride. He had ...

Shimadzu Corp, a Kyoto, Japan-based precision equipment maker, has started selling a clock which is accurate to a deviation of one second over ten billion years. The strontium optical lattice ...

Daylight saving time in 2025, when clocks change by an hour, has begun. Here's a look at when exactly we "spring forward" and how daylight saving time works. What time exactly does the time change ...

But nothing really says spring like the day we spring the clocks forward for the start of daylight saving time 2025. Under the current daylight saving period, most Americans will lose an hour on ...

If some lawmakers (and President Donald Trump) have their way, this could be the last time we change the clocks, too. Trump didn’t clarify which side of the clock he’s on, but recent pushes ...

Daylight saving time starts at 2 a.m. on Sunday, March 9. That means you'll want to set your clocks one hour ahead either Saturday night or Sunday morning. It also means later sunsets start Sunday ...

March is here and spring is in the air. But nothing really says spring like the day we spring the clocks forward for the start of daylight saving time 2025. Under the current daylight saving ...

This event, which involves moving the clocks forward in the spring and back in the fall, has a significant impact on daily routines and schedules. Daylight Savings Time starts on March 9 ...

This weekend is "spring forward," the time every year when most people in the U.S. set their clocks one hour later as daylight saving time begins. It’s a rule that to many seems arbitrary and ...

In less than a month, most Americans will lose an hour of sleep as clocks will shift ahead by one hour. Daylight saving time will begin, delaying the moment day becomes night more than four months ...

Daylight saving time begins at 2 a.m. which is the official hour to set all of our clocks ahead one hour. That's when local time will instantly become 3 a.m. The time adjustment affects the ...