Daylight Saving Time begins March 11

Turn your clocks ahead one hour on Sunday, March 11, when Daylight Saving Time begins in 2007. Beginning in 2007, most of the United States begins Daylight Saving Time at 2 a.m. on the second Sunday in March, which is March 11, and reverts to standard time on the first Sunday in November, which is Nov. 4.

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