How daylight saving time works
Lindsey Reiser takes a look at the history of daylight saving time.
Daylight Saving Time
Will daylight saving time become permanent after House passes bill?
Lawmakers are one step closer to making daylight saving time permanent after the House passed a bill with overwhelming support.
House passes bill to make daylight saving time permanent
The measure also allows states to opt out if they take action before the federal law is enacted.
House passes daylight saving bill
Lawmakers in the House passed a bill on Tuesday with bipartisan support that would make daylight saving time permanent and end the twice-a-year time change. It's now up to the Senate to take up the legislation. Caitlin Huey-Burns has more.
Daylight saving time arrives for 2026. Here's what to know.
The time change known as daylight savings starts Sunday, March 8, 2026. Most Americans lose an hour of sleep when clocks "spring forward."
Why was daylight saving time started? Here's what you need to know.
Longer and lighter days were supposed to save energy, reduce traffic accidents and help people become more active. Governments thought daylight saving time would save money.
These states, U.S. territories don't observe daylight saving time
Two states don't do daylight saving time and won't "spring forward" as the clocks change for 2026.
Daylight saving time ends as clocks "fall back"
Daylight saving time ended on Sunday, Nov. 2, 2025, when the clocks fell back and we gained an hour.
How daylight saving time impacts our health
This weekend marks the end of daylight saving time as most of the U.S. "falls back" and gains an hour of sleep. Sleep expert Shelby Harris, a clinical associate professor at Einstein Medical School in New York City, joins "CBS Mornings Plus" to explain how the time change impacts our health.
Study: Seasonal time shifts may harm health
Most Americans will set their clocks back on Nov. 2 for daylight saving time, but a new study suggests the two annual time changes may actually be harmful to our health. Jamie Zeitzer, co-author of the study and co-director of the Stanford University Center for Sleep and Circadian Sciences, joins CBS News to unpack the findings.
Senate daylight saving time hearing: "Stuck with this since World War I"
President Trump has suggested he supports eliminating daylight saving time, although he's also called it a "50/50 issue."
Senate hearing on daylight saving time
The Senate Committee on Commerce, Science, and Transportation heard testimony on the effects of daylight saving time. CBS News' Shanelle Kaul reports.
The time has changed for daylight saving 2025. Here's what to know.
Daylight saving time in 2025, when clocks change by an hour, has started. Here's a look at when exactly we "spring forward."
Is daylight saving time bad for your health? A neurologist explains.
Researchers are discovering that "springing ahead" each March for daylight saving time is connected with serious negative health effects.
Trump says Republicans will try to end daylight saving time
President-elect Donald Trump said Republicans will try to end the decades-long ritual of changing the clocks twice a year.
When does daylight saving time end in 2024?
The end to daylight saving time means our clocks "fall back" early Sunday, Nov. 3, 2024. But why do we have to adjust the time twice a year?
Daylight saving time's health impact
While most Americans are looking forward to gaining an extra hour of sleep when daylight saving time ends on Sunday, some experts warn it could be harmful to the body and mind. Dr. Norman Rosenthal, clinical professor of psychiatry at Georgetown University, joins CBS News to discuss how "falling back" could disrupt health.
The story behind Daylight Saving Time
The 2005 Energy Policy Act extended Daylight Saving Time by four weeks. Scott MacFarlane explains the law's origins.
3 tips to avoid winter blues when clocks "fall back" from daylight saving time
Gaining an extra hour of sleep as daylight saving time ends might sound like a win, but experts say "falling back" can have some health consequences. Here's some advice to help you cope.
We lose an hour of sleep to daylight saving. Here's how to cope
Daylight saving time for 2024 is here, which means we lost an hour of sleep as we "spring forward." Here's how to deal with the time change, according to experts.
Time change for daylight saving happened overnight. What to know.
Clocks "spring forward" when daylight saving time begins on Sunday, March 10, 2024.
Luke Burbank on taking "spring ahead" to the next level
It's that time of year, when Daylight Saving Time costs us an hour of sleep, but gifts us another hour of light at the end of the day. Correspondent Luke Burbank is ready for more.
Luke Burbank on taking "spring ahead" to the next level
It's that time of year, when Daylight Saving Time costs us an hour of sleep, but gifts us another hour of light at the end of the day. Correspondent Luke Burbank is ready for more.
How does daylight saving time work in March? What to know this year.
Daylight saving time begins this year in the early hours of Sunday, March 10, giving us longer, sunnier evenings until Nov. 3, 2024. Here's what to know about how the time change works.
How researchers seek to perfect the study of time
Clocks will spring forward at 2 a.m. on Sunday, March 10. And inside the lab at the National Institute of Standards and Technology near Denver, Colorado, scientists and the federal government are perfecting their atomic clock. Scott MacFarlane has more.
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