Up Next
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.
Support Provided By

57:46
September 5, 2025 - PBS News Hour full episode

57:46
September 4, 2025 - PBS News Hour full episode

57:46
September 3, 2025 - PBS News Hour full episode

57:46
September 2, 2025 - PBS News Hour full episode

57:46
September 1, 2025 - PBS News Hour full episode

26:45
August 31, 2025 - PBS News Weekend full episode

26:45
August 30, 2025 - PBS News Weekend full episode

57:46
August 29, 2025 - PBS News Hour full episode

57:46
August 28, 2025 - PBS News Hour full episode

57:46
August 27, 2025 - PBS News Hour full episode

57:46
August 26, 2025 - PBS News Hour full episode

57:46
August 25, 2025 - PBS News Hour full episode