History ❯ Timekeeping

Daylight Saving Time

Legislation Origins World War I Historical Figures Historical Context William Willet Benjamin Franklin United States U.S. History Germany Proposals UK Implementation William Willett Uniform Time Act Standard Time Act Legislative History United States Implementation Canada 1973 Experiment Permanent Daylight Saving Time Origins in the United States Historical Legislation France Arizona World War II Energy Policy Historical Events First World War Ontario Spain World War 1 Implementation Establishment in 1918 Historical Proposals Canada's Adoption of DST Canada's Adoption

Clocks Spring Forward at 2 A.M. Sunday as Daylight Saving Time Begins

Experts warn of short-term sleep loss tied to temporary rises in crashes plus certain cardiovascular events.

U.S. Springs Forward Sunday as British Columbia Makes Daylight Saving Time Permanent

Clocks ‘Spring Forward’ March 8 as Daylight Saving Time Arrives on Earliest Possible Date

U.S. Returns to Standard Time as Clocks Fall Back

Daylight Saving Time Ends Sunday at 2 A.M. as Clocks Fall Back One Hour

UK Returns to GMT as Clocks Go Back One Hour

Clocks Fall Back in UK on Oct. 26 and in US on Nov. 2 as Daylight Saving Time Ends

Permanent Time Policies Linked to Fewer Obesity and Stroke Cases, Stanford Study Finds

Daylight Saving Time Ends Nov. 2, 2025 at 2 A.M.

Daylight Saving Time Ends Nov. 2 at 2 A.M.

Clocks Fall Back Early This Year as Daylight Saving Time Ends Nov. 2