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.

Daylight saving time and time zones in countries around the world

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

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

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

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

Daylight saving time - Wikipedia

Autumnal Equinox 2023: First Day of Fall

LifePharm Global Network Connection

The History of Daylight Saving Time

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