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Daylight saving time explained

Published On: Nov 04 2011 09:22:25 AM PDT   Updated On: Mar 06 2014 11:00:00 PM PST

What's behind the tradition of turning our clocks ahead each spring?

Savings Time - 10
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The changes went into effect in 2007 and were meant to save electricity, although a U.S. Department of Energy study estimated a savings of less than 1 percent of the country's annual energy consumption.

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