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.

A short history of daylight saving time

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

Leo the Lion and its backward question mark

The History of Daylight Saving Time

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

Daylight saving time - Wikipedia

Daylight saving time ends this weekend, but where did this idea

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Silly Sunday ~~~ Daylight Saving Edition

Daylight Saving Time History & Fun Facts

What is Daylight Saving Time (DST)?

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

Standard Time Time Zones, Coordinated Universal Time & Daylight

8 Things You May Not Know About Daylight Saving Time

Daylight saving time and time zones in countries around the world