Skip to main content
Back to Show
PBS News Hour

The history of daylight saving time and its effect on health

This weekend, nearly all of us will set our clocks back one hour. It's part of the twice-a-year ritual of alternating between daylight saving time and standard time. William Brangham looks at the history of changing the clock and a movement to do away with this process, once and for all.

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Season
June 14, 2025 - PBS News Weekend full episode
26:45
June 14, 2025 - PBS News Weekend full episode
June 13, 2025 - PBS News Hour full episode
57:46
June 13, 2025 - PBS News Hour full episode
June 12, 2025 - PBS News Hour full episode
57:46
June 12, 2025 - PBS News Hour full episode
June 11, 2025 - PBS News Hour full episode
57:46
June 11, 2025 - PBS News Hour full episode
June 10, 2025 - PBS News Hour full episode
57:46
June 10, 2025 - PBS News Hour full episode
June 9, 2025 - PBS News Hour full episode
56:45
June 9, 2025 - PBS News Hour full episode
June 8, 2025 - PBS News Weekend full episode
24:09
June 8, 2025 - PBS News Weekend full episode
June 7, 2025 - PBS News Weekend full episode
24:09
June 7, 2025 - PBS News Weekend full episode
June 6, 2025 - PBS News Hour full episode
57:46
June 6, 2025 - PBS News Hour full episode
June 5, 2025 - PBS News Hour full episode
57:46
June 5, 2025 - PBS News Hour full episode
June 4, 2025 - PBS News Hour full episode
57:46
June 4, 2025 - PBS News Hour full episode
June 3, 2025 - PBS News Hour full episode
57:46
June 3, 2025 - PBS News Hour full episode
Active loading indicator
California News
‘A Moment People Have Been Waiting For’: ICE Arrests Fuel SF Protests
‘A Moment People Have Been Waiting For’: ICE Arrests Fuel SF Protests
San Francisco Mayor Daniel Lurie’s honeymoon is over, as growing fears over immigration enforcement and mass arrests of protesters have pushed people into the streets.
californianews
Read more
SEIU leader David Huerta released after being charged with impeding ICE officers
SEIU leader David Huerta released after being charged with impeding ICE officers
David Huerta, who leads the powerful Service Employees International Union California, was released from custody on Monday after his arrest during a downtown L.A. immigration raid set off a firestorm.
californianews
Read more
Sudden chaos, now a National Guard station: The scene in Paramount after a national flashpoint
Sudden chaos, now a National Guard station: The scene in Paramount after a national flashpoint
Troops are still staged in Paramount, a city that was suddenly thrust into a monumental political conflict when immigration agents amassed in a business park.
californianews
Read more
California plan to ban most plants within 5 feet of homes for wildfire safety overlooks some important truths about flammability
California plan to ban most plants within 5 feet of homes for wildfire safety overlooks some important truths about flammability
Max Moritz
californianews
Read more