Daylight saving time explained

Published On: Nov 04 2011 11:22:25 AM CDT   Updated On: Oct 31 2014 09:19:18 AM CDT

Daylight saving time ends this weekend. What's behind the tradition of turning our clocks back each fall?

Savings Time - 4
4 / 11

Daylight saving time was observed nationally again during World War II, but not uniformly practiced until 1966, when start and end dates were standardized. States could still opt out if they wished.

Upload Photos / Videos