Daylight Saving Time, Definition, History, & Facts

Daylight Saving Time, system for uniformly advancing clocks, so as to extend daylight hours during conventional waking time in the summer months. In countries in the Northern Hemisphere, clocks are usually set ahead one hour in late March or in April and are set back one hour in late September or in October.

History & info - Daylight Saving Time, early adoption, U.S. law

Daylight savings time: When did it start? Why do we turn clocks back?

The History of Daylight Saving Time

Daylight Saving Time Once Known As 'War Time' > U.S. Department of

Daylight Savings Time- Another Expensive Relic Of America's First

A short history of daylight saving time

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What is the history of daylight saving time?

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