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?

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In 2005, Congress pushed the start of daylight saving time forward three weeks to the second Sunday in March, rather than the first Sunday in April, and moved the end back one week to the first Sunday in November.

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