Daylight Savings 2011 When It Ends And Why We Use it
In fact, Daylight Saving Time (DST) comes to an end on the morning of Sunday, November 6, when you move the clocks back one hour. Or, you forget to move the clocks back one hour and find yourself at work an hour early before the office lights are even turned on.
The extended DST began back in 2007, after the U.S. Energy Policy Act of 2005 came into effect and the clocks were set back one hour on the first Sunday of November instead of the last Sunday of October, reports International Business Times. They also changed the start of DST to the second Sunday of March from the first Sunday of April.
There's been a number of conflicting reports about how much energy is saved from Daylight Saving Time. Back in the 1970's, studies showed we saved 1% of energy nationally, which was a big motivation for adopting DST. On the one hand, states like California argue the energy savings are negligible. But another report published in 2008 by the U.S. Department of Energy concluded 4 weeks extra of daylight savings time could conserve 1.3 trillion watt-hours per day, enough to power 100,000 homes for a year, reports Scientific American.
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