History ❯ Timekeeping

Daylight Saving Time

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

UK Clocks Spring Forward to British Summer Time Tonight

Health experts warn the spring switch carries short, measurable risks.

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

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