The practice of daylight saving time spans over a century of U.S. law. Here's who started it and why we observe the time change.

As we look forward to longer daylight hours, the conversation, once again, turns to whether the country should just have one set time, without changing our clocks twice a year.

Daylight saving time begins on Sunday, March 9, meaning most Americans will lose an hour of sleep as we "spring forward."

Researchers are discovering that "springing ahead" each March for daylight saving time is connected with serious negative health effects.

Here's what to know about when DST started and ends in 2025, why it exists and if President Donald Trump is actually ending it.

Daylight saving time starts Sunday, despite sleep experts (and the president) hoping to eliminate time changes.

Daylight saving time getting you down? The disruptive tradition of losing an hour, just to get that hour back later in the year, could soon end in Texas. However, state lawmakers are on the fence about whether to permanently adopt daylight saving time or standard time,

Nebraska lawmakers have two competing pieces of legislation – one that would get rid of daylight saving time and another that would make it permanent.

Daylight saving time stole an hour of sleep from most Americans over the weekend — with the exception of two states. The clock change is a subject of great debate. Neither Hawaii nor Arizona, excluding the Navajo Nation, recognizes daylight saving time. Both states follow standard time year-round.

Michigan, along with most of the U.S., sprang forward an hour on Sunday, the biannual Daylight Saving Time change. Readers do not care for it.

The bill stipulates that if a majority of Texans vote for standard time, the state will exempt itself from federal daylight-saving time requirements. If the majority votes for a year-round daylight saving, Texas will adopt the change only if Congress passes a law allowing states to make this change.

Daylight saving time begins on Sunday, March 9, meaning most Americans will lose an hour of sleep as we "spring forward."