Daylight Savings Time 2012: When Do The Clocks Fall Back?

By Amir Khan on October 28, 2012 2:45 PM EDT

Daylight savings time 2012 is coming to an end , and people most people are wondering when the clocks fall back so they can get an extra hour of sleep. Daylight savings time 2012 began on March  11, 2012 and ends on Sunday, November 4 at 2:00 am.

Approximately 75 countries and territories participate in Daylight Savings Time, and in the United States, Daylight savings time 2012 means you will get an extra hour of sleep, unless you live in Arizona, Hawaii and U.S. territories like Puerto Rico, Guam and the Virgin Islands.

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However, while Daylight savings time is billed as a way to reduce energy, National Geographic recently published an article saying Daylight savings time doesn't actually make a difference. The magazine wrote:

Environmental economist Hendrik Wolff of the University of Washington, co-authored a paper that studied Australian power-use data when parts of the country extended daylight saving time for the 2000 Sydney Olympics and others did not. The researchers found that the practice reduced lighting and electricity consumption in the evening but increased energy use in the now dark mornings -- wiping out the evening gains.

But whether it saves energy or not, Daylight savings time 2012 is coming close, so don't forget to set your clocks back on November 4.

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