daylight saving time

The Zeitfeld (Time Field) clock installation by Klaus Rinke is seen at a park in Düsseldorf, Germany, in 2019.

National

What to know about the political debate around daylight saving time

5:32am March 08, 2024

At least 29 states have considered legislation related to daylight saving time, including making it permanent year-round. But those laws won't take effect until Congress makes it legal.

This picture taken in March 2018 shows a technician working on the clock of the Lukaskirche Church in Dresden, eastern Germany. This weekend, Americans will wind back this clocks as daylight saving time ends.

Six things to know about the political debate around daylight saving time

6:12pm November 02, 2023

by Emily Olson

Nineteen states have passed legislation to make daylight saving time permanent. But those laws won't take effect until Congress makes it legal. And the medical community sees one major problem.

Even a one-hour change in the clock can disrupt the body's circadian rhythms, especially when the clock "springs forward."

Changing our clocks is a health hazard. Just ask a sleep doctor

7:01am March 11, 2023

by Allison Aubrey

A bipartisan group of senators wants to make daylight saving time permanent. But sleep experts say standard time is better, because it saves morning light and is more in sync with our natural rhythms.

Queue Listen Now

Mark Brown repairs a clock at Brown's Old Time Clock Shop in Plantation, Florida in 2007.

National

These are the states enacting legislation to help make daylight saving time permanent

10:33am November 06, 2022

by Giulia Heyward

A bill that would keep daylight saving time permanent for the entire nation is now stalled in Congress.

Every state except Hawaii and Arizona currently observes daylight saving time. But each year, more states say it's time to stop futzing with the clock and embrace daylight saving time year-round.

Daylight saving time ends Sunday. Here are 4 things you should know

7:38am November 04, 2022

by Bill Chappell

More than a third of U.S. states now support the idea of making daylight saving time permanent. It's already in effect for about eight months of the year.

A white tail deer fawn stands in the road, Sept. 10, 2021, in Freeport, Maine.

National

The end of daylight saving time means an uptick in vehicles crashing into deer

5:19am November 04, 2022

by Ayana Archie

In a new study, researchers found that deer-vehicle collisions peaked in October and November, partly due to both daylight saving time and deer mating season.

The U.S. Senate advanced a bill on March 15 that would bring an end to the twice-yearly changing of clocks in favor of a "new, permanent standard time" that would mean brighter winter evenings.

The U.S. tried permanent daylight saving time in the 1970s — then quickly rejected it

5:22pm March 19, 2022

by Susan Davis

The Senate this week voted with unanimous consent to adopt permanent daylight saving time hours to eliminate the need to change clocks twice a year.

A clock technician adjusts the hands on a large outdoor clock under construction at Electric Time Company in Medfield, Mass, last year, just days before daylight saving time was set to end.

The Senate approves a bill to make daylight saving time permanent

8:12pm March 15, 2022

by Joe Hernandez

For those wishing for an end to annual clock shifting, this push in Congress is perhaps better late than never. It would still require House approval and President Biden's signature to become law.

Dan LaMoore works on a Seth Thomas Post Clock at Electric Time Company on Oct. 23, in Medfield, Mass. Daylight saving time ends at 2 a.m. local time Sunday.

Good News: You Can Sleep For One More Hour Tonight

7:38pm October 31, 2020

by Matthew S. Schwartz

Most of the country will "fall back" during Sunday's wee hours. Many sleep researchers say daylight saving time does more harm than good.

Members of the European Parliament have voted to abolish daylight saving time in the EU. Here, workers remove the calendar dial of Prague's astronomical clock during a renovation of the building in 2017.

World News

European Parliament Moves Toward Ending Daylight Saving Time

2:20pm March 27, 2019

by Laurel Wamsley

Under a proposal, each EU member state would need to choose either "summertime" (daylight saving time) or "wintertime" (standard time). The change would go into effect in 2021.