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Energy Conservation with Daylight Saving Time

Daylight Saving Time begins Sunday at 2 a.m.

Sunday morning at 2 a.m. we will switch from standard time to Daylight Saving Time by setting our clocks forward one hour. Our clocks will remain an hour ahead of standard time until the first Sunday in November.

Why do we use Daylight Saving Time? During this eight month period, longer hours of sunlight allows us the luxury of using less energy for lighting our homes. 

Daylight Saving Time was established during World War I in efforts to regulate energy use. Congress passed the Uniform Time Act in 1966.

In 2005, the Energy Policy Act passed which purposely lengthened daylight savings in hopes to save 10,000 barrels of oil per day due to businesses using less energy during the daylight hours. It has been nearly impossible to measure how many, if any, barrels of oil are actually saved.

Though it’s still in effect in most U.S. states, many experts say it’s no longer necessary. National Geographic reported in December that several studies in recent years prove that Daylight Saving Time doesn’t actually save energy—and it might even result in an energy loss in the long run.

People enjoy more outdoor fun with the increased daylight in the evenings.

Daylight Saving Time begins Sunday at 2 a.m. Set your clock(s) forward one hour before bedtime Saturday. Remember to set your watches, microwave, oven, wall clocks and motor vehicle clocks.

TheEnergyGuy - Jon LaMonte March 10, 2012 at 01:59 PM
In actuality it does very little to increase energy efficiency or save money. Because so many businesses operate in large buildings, they are going to use the same amount of lighting regardless of the time of day. Also, because the sun rises an hour later, we tend to use an hour more of lighting in the morning. If they could get everyone to install and actually program a programmable thermostat in their home, that would save tons of gas, electricity, and heating oil. I do have to admit that I like that fact that it gets dark later during the summer.
Julia Harris March 11, 2012 at 03:19 PM
Hi Jon, Thanks for the information. I've wondered if Daylight Saving Time truly saves us energy. I, too, like the longer daylight hours during the summer. I would think that would cut down on electricity/lighting use.

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