Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

As 2024's daylight saving time ends and clocks fall back, most of the U.S. will change the time on clocks — but there are two states and several territories that do not observe daylight saving time.

The clocks aboard our icebreaker will be changed several times en route to Antarctica. It’s one of many things that make the ...

Daylight saving time began this year in the early hours of Sunday, March 10, 2024, giving us longer, sunnier evenings until Nov. 3. Here's what to know about how the time change works. How does ...

With clocks set to fall back from daylight saving time to standard time in just under two weeks, many are wondering why the time changes happen and what would be different without them. From mid-March ...

Time is all around us: in the language we use, in the memories we revisit and in our predictions of the future. But what exactly is it? The physicist and Nobel laureate Frank Wilczek joins Steve ...

The twice-yearly ritual has roots in cost-cutting strategies of the late 19th century. A recent effort to end it has stalled in Congress. By Alan Yuhas Hello. You may be here to learn when daylight ...

As you read this sentence, you probably think that this moment—right now—is what is happening. The present moment feels special. It is real. However much you may remember the past or anticipate the ...

Pine is the Creative Director at TIME. Buy a print of the TIME 100th Anniversary Centennial cover here I am frequently asked, as creative director of TIME, to choose my favorite cover in the ...