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.

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

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.

After a long winter of short days, it’s finally time to spring forward. Clocks across the U.S. will jump from 1:59 a.m. to 3 a.m. Sunday. Here’s what you need to know about daylight saving time and why we change the clocks twice a year in the U.

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.

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.

Two New York state lawmakers are pushing to make Daylight Saving Time permanent.

Arizona maintains its refusal to observe Daylight Saving Time due to considerations of intense heat and lifestyle.

The rest of the country, including parts of the Navajo Nation within Arizona, observes daylight saving time. On Sunday at 2 a.m., clocks moved forward one hour to 3 a.m., a change that will remain in effect until standard time returns in November.

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

Two states – Hawaii and Arizona – don't observe daylight saving time, and many other states have considered legislation to either get rid of it or make it permanent, including North Dakota.