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WATCH: The weird history behind Daylight Saving

Posted: 12:44 PM, Mar 09, 2016
Updated: 2016-03-09 17:45:23Z

Clocks in 48 states will "spring forward" this weekend as most of the United States moves to Daylight Saving Time.

Arizona, Hawaii and the U.S. territories of Puerto Rico, Virgin Islands, Guam and American Samoa won't touch their clocks this weekend.

The idea of changing the clocks twice a year first came about to provide more daylight during the evening hours and was eventually implemented as a way to try and conserve energy.

Since then, studies have gone back and forth as to whether any more or less energy is used.

No state is required to participate in Daylight Saving Time, but the Uniform Time Act of 1966 set a specific time and date to change the clocks. As of August 2005, most of the country springs forward the second Sunday in March and falls back the first Sunday in November.

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