The U.K.’s successful testing of quantum atomic clocks aboard submarines provides validation for further research in quantum ...

Today’s state-of-the-art optical clocks offer accuracy to 18 decimal places, which is roughly equivalent to measuring the ...

(CNN) — No, I did not prepare for the end of Daylight Saving Time this past weekend, when most US states set clocks back an hour. Sunrise and sunset now come an hour earlier, despite my protestations.

The end of daylight saving time fall brings you an extra hour of sleep this weekend and longer nights heading into winter. Here's when and what time to set the clocks back for the 2025 time change in ...

Daylight saving time will end on Sunday, November 2, 2025, when clocks "fall back" one hour. Clocks will "spring forward" one hour for the start of daylight saving time on Sunday, March 8, 2026. The ...

NEW YORK (AP) — Yes, you’ll get a shot at an extra hour’s sleep. But even with that, it might be one of the most dreaded weekends on the American calendar: the end of daylight saving time. Only 12% of ...

The practice was first implemented in the U.S. during World War I to conserve fuel and power. Arizona and Hawaii are the only two states that do not observe daylight saving time. South Carolina is one ...

Plan on a glorious extra hour of sleep as most of America “falls back” into standard time. But make sure to get outside for some morning sun, too — it’ll help your body clock reset faster. A closer ...

This is read by an automated voice. Please report any issues or inconsistencies here. While ‘falling back’ grants you an extra hour of sleep, the twice-yearly time change disrupts your circadian ...

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 ...

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 ...

In 2024, TU Wien presented the world's first nuclear clock. Now it has been demonstrated that the technology can also be used to investigate unresolved questions in fundamental physics. Thorium atomic ...