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.
Live
Trump threatens Iran with "decapitation" as Houthis claim strike on Saudi airport
Trump threatened Tehran with "decapitation" Monday, before Yemen's Iran-backed Houthis claimed to have struck a Saudi airport.
Pirro brought box of evidence to show Trump what caused Reflecting Pool damage
U.S. Attorney for D.C. Jeanine Pirro was seen with a large box as she left the White House Monday after her meeting with President Trump.
Senate Judiciary Committee advances Blanche's nomination for attorney general
The Senate Judiciary Committee voted along party lines to advance Todd Blanche's nomination for attorney general.
What to know about primaries in 5 states today: Michigan, Virginia and more
Voters are going to the polls Tuesday in five states: Michigan, Virginia, Missouri, Kansas and Washington.
Arson suspect in Spokane-area wildfire had prior manslaughter conviction
More than 700 buildings in the Spokane area have been destroyed and 400 more haven't been assessed, officials said as three fires burned in the area and an arrest was made in connection with one of them.
Wayward SpaceX rocket to slam into moon, leave 16-foot deep crater
The impact will not be visible to the naked eye, but photos are expected to come from a lunar satellite at a later time.
Watch Live: Lindsay Clancy murder trial resumes with full day of testimony
The Lindsay Clancy murder trial resumed for a sixth day Tuesday with more testimony from prosecution witnesses.
Senate candidate Haley Stevens stands firm on backing U.S. military aid to Israel
Michigan Rep. Haley Stevens, one of two Democrats in the primary for her party's Senate nomination, stands firm on backing U.S. military aid to Israel and claims opponent Abdul El-Sayed "equivocates" on the issue.
Senate candidate El-Sayed questions assumption Michigan voters are moderates
Populist Abdul El-Sayed and Rep. Haley Stevens top the Democratic field going into Tuesday's Senate primary. Former Rep. Mike Rogers is running unopposed for the GOP nomination.
U.S.
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Behind closed doors, Trump, White House aides hope Rep. Max Miller exits race
Some White House officials hope embattled GOP Rep. Max Miller exits his congressional race immediately, and President Trump has expressed a similar sentiment, multiple sources say.
Family "forever grateful" after 10-year-old rescued from rip current by teen lifeguard
A 16-year-old lifeguard is being hailed a hero after rescuing a boy from a rip current off the coast of Santa Cruz, California, last month.
Pirro brought box of evidence to show Trump what caused Reflecting Pool damage
U.S. Attorney for D.C. Jeanine Pirro was seen with a large box as she left the White House Monday after her meeting with President Trump.
Senate Judiciary Committee advances Blanche's nomination for attorney general
The Senate Judiciary Committee voted along party lines to advance Todd Blanche's nomination for attorney general.
Wayward SpaceX rocket to slam into moon, leave 16-foot deep crater
The impact will not be visible to the naked eye, but photos are expected to come from a lunar satellite at a later time.
MoneyWatch
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"Peanut butter" pay raises are out, as employers shift to merit hikes
Here's what employees can expect for a raise in 2027 as companies move away from broad-based pay increases.
25 states sue Trump administration over latest round of tariffs
New U.S. tariffs are hurting consumers and businesses, California's attorney general said in filing suit to block levies on 60 countries.
Trump says oil companies should cut gas prices after making "too much money"
President Trump said U.S. oil companies made "too much money" from high oil prices. "I'm not happy about it," he added.
What to watch for in SpaceX's first public earnings report today
SpaceX will release its first earnings report as a public company on Tuesday in a key test for the company's stuttering stock price.
JPMorgan Chase to invest $750 billion in boosting housing and homebuying
JPMorgan Chase said the investment will include financing for 1 million affordable housing units and assistance to 500,000 people in buying homes.
Politics
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Behind closed doors, Trump, White House aides hope Rep. Max Miller exits race
Some White House officials hope embattled GOP Rep. Max Miller exits his congressional race immediately, and President Trump has expressed a similar sentiment, multiple sources say.
Pirro brought box of evidence to show Trump what caused Reflecting Pool damage
U.S. Attorney for D.C. Jeanine Pirro was seen with a large box as she left the White House Monday after her meeting with President Trump.
Senate Judiciary Committee advances Blanche's nomination for attorney general
The Senate Judiciary Committee voted along party lines to advance Todd Blanche's nomination for attorney general.
Senate candidate Haley Stevens stands firm on backing U.S. military aid to Israel
Michigan Rep. Haley Stevens, one of two Democrats in the primary for her party's Senate nomination, stands firm on backing U.S. military aid to Israel and claims opponent Abdul El-Sayed doesn't recognize Israel's right to exist.
What to know about primaries in 5 states today: Michigan, Virginia and more
Voters are going to the polls Tuesday in five states: Michigan, Virginia, Missouri, Kansas and Washington.
HealthWatch
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HealthWatch
Michigan reports 2 cyclosporiasis deaths
Two people have died of cyclosporiasis in Michigan, officials said Monday, as the state battles the worst outbreak of the disease in the country. Carter Evans has the details.
Michigan health officials report 2 deaths among cyclosporiasis cases
Two Michigan residents who had "significant underlying health conditions" have died after contracting cyclosporiasis, the Michigan Department of Health and Human Services said.
RFK Jr., Oz blame ACA enrollment drop on fraud, but experts cite rising costs
Rising premiums forced many people in Affordable Care Act plans to give up their coverage. But the Trump administration claims a huge drop in enrollment is almost entirely due to its fraud crackdown.
She went to "hell and back" for a diagnosis. Then her sister showed symptoms.
Megan Kaverman's weight gain, fatigue, high blood pressure and other symptoms were dismissed for years before she was diagnosed with a rare heart disease.
Peptide vendor sentenced for "trail of harm"
A federal judge sentenced the owner of a peptide company to nearly 6 years in prison for deceiving customers and selling products adulterated with steroids, citing a "trail of harm." Adam Yamaguchi reports.
World
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Dramatic photos show lava spewing from Fuego volcano in Guatemala
Guatemalan officials on Monday began evacuating two villages near the Fuego volcano due to the ongoing eruption.
Gaza holds mass funeral for extended family recovered from wartime rubble
Authorities described this as the Gaza Strip's biggest mass funeral since the war began, mourning dozens of people, including women and children, recently recovered from the rubble.
Serviceman kills 3 civilians, 1 soldier in Russian-held Crimea
A serviceman in Russian-held Crimea opened fire on fellow soldiers and civilians, killing four people and wounding four, officials said.
WWII explosives detonate in France amid wildfires: "Sound of war"
The munitions, both German and French, consist mainly of mortar shells, along with some high-explosive anti-tank shells.
3 lions die at zoo as Japan bakes in "cruelly hot" summer
Ten of the 16 lions in Tama Zoological Park have suffered symptoms such as "loss of appetite and decreased activity" since mid-July, and three lionesses died, the zoo said.
Entertainment
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Entertainment
Ariana Grande on her plans to take break
One day after announcing she'll step back from the spotlight after her tour ends, Ariana Grande spoke directly to fans at Monday night's show in Chicago. The singer said the decision was her own and "was made from a thoughtful and empowered place."
Jordan Roth talks "The Shards"
Tony Award-winning producer Jordan Roth talks about starring in the "The Shards" and describes what it was like to go from behind the scenes on Broadway to making his major on-screen acting debut.
Hollywood on hot streak at the box office
"Spider-Man: Brand New Day" leapt straight to the top of the box office this weekend. Its $360 million opening weekend debut is the biggest in U.S. history. Marlow Stern, chief correspondent at Variety, joins CBS News to discuss all the latest movie news.
"My Favorite Person" takes over socials
A social media trend encouraging users to share what they love about their favorite person is bringing light to TikTok and other platforms.
Ariana Grande to step out of public eye
A representative for pop star Ariana Grande says the singer is planning to step out of the public eye after wrapping her ongoing Eternal Sunshine Tour amid "endless, ongoing public scrutiny." Grande has also dropped out of the London-based musical "Sunday in the Park with George," which is set to open next year.
Technology
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Trump administration finalizes AI framework, official says
The order asks AI companies to share previews of powerful new models with the government before they are released to the public.
U.S. probes cyberattack on water systems
Lauryn Williams, the deputy director and senior fellow of the Strategic Technologies Program at the Center for Strategic and International Studies, joins to discuss the U.S. probe into Iran possibly targeting water systems in Michigan and Minnesota.
How AI powered robots are helping small farms
From labor shortages to environmental impacts, farmers are looking to AI to help revolutionize the agriculture industry. One California startup, Farm-ng, is tapping into the power of AI and robotics to perform a wide range of tasks, including seeding, weeding and harvesting.
Hugging Face CEO calls hack by rogue OpenAI model "very weird and unprecedented"
An artificial intelligence model that was being tested by OpenAI went rogue and hacked the firm Hugging Face on its own, in what Hugging Face CEO Clément Delangue called a "very weird and unprecedented" incident.
CEO of AI firm Hugging Face on OpenAI hack
ChatGPT maker OpenAI revealed that its technology hacked into another AI company on its own during internal testing. Hugging Face CEO Clement Delangue, whose company was hacked, described the "very weird and unprecedented" incident in an interview on "Face the Nation with Margaret Brennan" -- and offered suggestions on how future incidents could be prevented.
Science
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Dramatic photos show lava spewing from Fuego volcano in Guatemala
Guatemalan officials on Monday began evacuating two villages near the Fuego volcano due to the ongoing eruption.
Rare footage of humpback whale birth captured on drone video
The footage is believed to be only the fourth complete humpback whale birth ever recorded on film anywhere in the world and the first-ever captured by drone.
Rare video shows humpback whale birth
A photographer operating a drone off the coast of Australia captured a humpback whale giving birth. It's believed to be the first time such a birth has been recorded by a drone.
How plants feel
Science shows us that, even though plants don't have brains, they seem to have a nervous system that responds to touch in remarkable ways. Robert Krulwich and puppeteer Barnaby Dixon explore the science of thigmomorphogenesis (the phenomenon of plants reacting to outside stimulae), a discussion that plants the seeds for a song.
Nearly 30 beluga whales sent to the U.S.
Nearly 30 beluga whales were sent to aquariums across the U.S. in a multinational emergency operation after their home aquarium in Canada shuttered. Jared Ochacher reports.
Crime
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Crime
Washington wildfires devastate Spokane
Officials arrested a man on suspicion of arson as the Spokane, Washington, area battles multiple fires. Fire crews are working around the clock to contain the massive blazes. CBS News' Kris Van Cleave reports.
Arson arrest amid Washington fires
Police arrested a man in connection with one of three devastating wildfires charring homes, businesses and nature in Washington State. CBS News' Bradley Blackburn has more.
Questions about Nancy Guthrie ransom notes
Pima County Sheriff Chris Nanos told CBS News last Thursday that he didn't have a ransom note saying Nancy Guthrie was dead. But one day later he released a note saying just that. CBS News' Anna Schecter reports.
New details in Idaho In-N-Out shooting
New information is coming out about the shooting at an In-N-Out restaurant in Idaho that killed three people over the weekend. CBS News' Lilia Luciano reports.
Sheriff in Nancy Guthrie case contradicted himself on ransom note
Investigators in the disappearance of Nancy Guthrie released two ransom notes, including one contradicting what the Arizona sheriff overseeing the case told CBS News.
Space
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Wayward SpaceX rocket to slam into moon, leave 16-foot deep crater
The impact will not be visible to the naked eye, but photos are expected to come from a lunar satellite at a later time.
Russian Soyuz brings three home after 8 months at space station
The Soyuz MS-28 landing in Kazakhstan brought a 241-day stay in space to a successful conclusion.
SpaceX's Super Heavy-Starship blasts off on 13th test flight
An upgraded version of the world's most powerful rocket is key to landing NASA astronauts on the moon in the agency's Artemis program.
Meteorite that hit home contains "alien world chemistry," experts say
When scientists examined the preserved fragments of a meteorite that crashed in 2024, they found brine-like fluids and key molecules.
Russian Soyuz rocket launches fresh crew to space station
The new crew will replace three other Soyuz fliers wrapping up a 240-day stay aboard the International Space Station.
Latest Galleries
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Notable Deaths in 2026
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
Summer music highlights of 2026
Summer is the time to enjoy live music, indoors and out. Scroll through our gallery of some of 2026's leading musical acts, featuring images by CBS News photojournalist Jake Barlow and photographers Ed Spinelli and Kirstine Walton.
Investigating the death of designer Sylvie Cachay
Sylvie Cachay was found dead in an overflowing bathtub at the exclusive Soho House in New York City on Dec. 9, 2010. A water leak at the hotel gave away a timeline that may have revealed her killer.
Photos show celebrations at Obama Presidential Center
The Obama Presidential Center, museum and library opens in Chicago with a star-studded grand opening ceremony and public watch party on Midway Plaisance.
Timeline: The disappearance of George Smith
Family seeks answers in death of newlywed who disappeared in 2005 while on Mediterranean honeymoon cruise.
Latest CBS News Videos
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Latest CBS News Videos
Dodgers make waves at trade deadline
The Los Angeles Dodgers made some controversial moves ahead of Monday's Major League Baseball trade deadline. CBS Sports baseball writer Matt Snyder has more.
Cat helps shelter dogs find homes
One dedicated and lifesaving animal shelter employee is helping dogs find forever homes in San Francisco. Little Dude serves as Muttville Senior Dog Rescue's director of feline relations, giving dogs "cat scans" to see if they can be socialized with cats. CBS News' Itay Hod reports.
More young Americans moving home to save cash
With inflation and rising costs, the affordability crisis is prompting some adults to consider rooming with their parents. CBS News' Jericka Duncan spoke with a 34-year-old woman about her decision to move back home.
Man dies in ICE custody in NJ, DHS says
Salvadoran migrant Edwin Lopez-Cornejo died while in U.S. Immigration and Customs Enforcement custody at Delaney Hall in New Jersey, the Department of Homeland Security confirms, adding Lopez-Cornejo "experienced a medical emergency." Delaney Hall has been at the center of months of protests after a group of detainees held a hunger strike, citing dire conditions inside. CBS News New York's Allen Devlin reports.
Sen. Booker slams Blanche ahead of AG vote
Sen. Cory Booker laid into Todd Blanche ahead of the Senate Judiciary Committee's confirmation vote on his attorney general bid, saying, "We will rue the day that we let this man have this much power under such a corrupt president."