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.

What Is Daylight Saving Time & Where Did It Come From?

Why Do We Have Daylight Saving Time?

Daylight Saving Time and Congress: During WWI, it was passed, then

Daylight saving time, explained

Daylight Saving Time Once Got a Guy Out of Having to Go Fight in

Geologic Time Scale Definition, History & Diagram - Video

History of Daylight Saving Time - Daylight Saving Time

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What you need to know about the history of daylight saving time : NPR

Daylight saving time and time zones in countries around the world

UK time changes Understanding British Summer Time (BST)