Daylight saving time became a national standard in 1966 when President Lyndon B. Johnson signed the Uniform Time Act, which ...

Under the conditions of the Energy Policy Act of 2005, daylight saving time starts on the second Sunday in March and ends on ...

Fall is around the corner, which means the end of this year's daylight saving time is coming up. Here's what to know.

With the end of daylight saving time for 2025 around the corner, the days are beginning to get shorter as the time to “fall ...

When is the first day of fall? What time is the autumn equinox? When do we change the clocks? Your questions answered.

Daylight saving time is the period between the second Sunday of March, when the clocks for most states shift forward one hour, and the first Sunday of November, when clocks shift back for one hour.

When is Daylight Saving Time and what time do the clocks change? Here's everything you need to know.

How do we know the time... precisely? The question is more complex than it first appears, says Richard Fisher.

The tick of the world clock depends on hundreds of atomic oscillators positioned across the globe.