Two linguists took the time to explain the fascinating origin of o'clock. Read on to learn what the o in o’clock stands for and how the word evolved throughout history. The answer might surprise ...

On Sunday, Nov. 3, at 2 a.m., Daylight Saving Time will officially end, and on Saturday night, Nov. 2, clocks will be set back one hour, as we “fall back” to standard time. Sunrise will be ...

Sunrise alarm clocks mimic the gradually brightening light of the sun to ease you out of sleep. Think of it as a biological hack. “We evolved to align our sleep-wake cycles with the sun ...

According to the Astronomical Applications Department of the U.S. Naval Observatory, daylight saving time is when clocks are changed to one hour ahead, which began on Sunday, March 10 of this year.

As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks come with all kinds of features that can make waking up — or even going to sleep — a little less painful.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Picture a clock ...

Today most electric clocks or watches measure the steady vibrations of quartz crystals. But even the best pacemakers drift; in one form or another, creeping chaos eventually corrupts the order of ...

Atomic clocks are the most accurate timekeepers we have, losing only seconds across billions of years. But apparently that’s not accurate enough – nuclear clocks could steal their thunder ...

Ekkehard Peik is a clock-maker. But instead of spending his days looking at tiny cogs and springs through a magnifying glass, the tools of his trade are powerful lasers, wires and, occasionally ...

FOR THE discerning timekeeper, only an atomic clock will do. Whereas the best quartz timepieces will lose a millisecond every six weeks, an atomic clock might not lose a thousandth of one in a decade.

UK residents are getting ready to welcome winter 2024 and welcome in the colder and darker months - so when do the clocks go back? Here's the date and details you need. A process British people ...