Atomic clocks are the basis upon which a second is defined. But there is a new kid on the block, the optical clock, which ...

The clocks go forward on Sunday, marking the beginning of British Summer Time (BST). This marks the end of Greenwich Mean ...

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; ...

Daylight saving time​ in 2025, when clocks change by an hour, has started. Here's a look at when exactly we "spring forward." ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

The first day of spring is fast approaching, but before it gets here, our clocks will spring ahead one hour. Daylight saving time gives us an extra hour of daylight — but one less hour of sleep ...

It’s that time of year again when people across the country look forward to enjoying brighter evenings as the summer months ...

decided that the right time of day for this shift was “2 o’clock antemeridian,” better known as 2 a.m. To farmers, daylight saving time is a disruptive schedule foisted on them by the ...

Within days, the decision was reversed. “It really turned into a huge mess where nobody knew what time it was,” Buckle says. Changing the clocks twice a year leads to a lot of grumbling ...