History of daylight saving time

Name: History of daylight saving time
Uploaded: 2021-11-04T00:33:00Z
Duration: 1 min 58 s
Description: Daylight saving time, or DST, was formally introduced in the U.S. in 1918 during World War I.

Daylight saving time, or DST, was formally introduced in the U.S. in 1918 during World War I.

Posted November 3, 2021 8:33pm EDT