Daylight saving time and its over 100-year history
KELOLAND
Last updated: October 29, 2026
Daylight saving time (DST) is a practice where clocks are advanced by one hour during warmer months and turned back during colder months. This year, DST is ending as clocks "fall back" one hour. The article explores the history and debate surrounding this practice.
- The concept of adjusting clocks for more daylight was first proposed by Benjamin Franklin in 1784 as a humorous suggestion. Modern proponents like William Willett, a British builder, advocated for DST in 1907, proposing that it would conserve energy and provide more daylight for leisure activities.
- Germany was the first country to implement DST nationwide in 1916 during World War I, aiming to conserve coal. Many other countries, including the United States in 1918, followed suit during wartime.
- In the U.S., DST has seen periods of federal mandate and local option. For instance, the Uniform Time Act of 1966 established DST nationally but allowed states to opt out. Public opinion on DST is divided, with ongoing discussions about its perceived benefits, such as energy savings and increased daylight for recreation, versus its drawbacks, including sleep disruption and potential health impacts.
- The practice of DST has evolved over its more than 100-year history, with debates continuing regarding its utility and impact on daily life and the economy.