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Daylight saving time begins Sunday

Boston.com Staff / March 6, 2009
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Don't forget to set your clocks an hour ahead this weekend. On Sunday at 2 a.m. daylight saving time goes into effect.

This is only the third year that daylight saving time has begun the second Sunday in March. For years, the first Sunday in April was the day the clocks and other time pieces were set forward.

Daylight saving time continues until 2 a.m. Sunday, Nov. 1.

The moving forward of the daylight saving time start date was part of the federal Energy Policy Act adopted in 2005.

Thus, on this Sunday evening you will have one more hour of sunshine than on Saturday.

Daylight savings time first began in the United States during World War 1 in an effort to conserve fuel used to generate artificial lighting. It was suspended after the war ended, but was restored again during World War 2. In the years that followed, some states and communities continued to have daylight savings time, but the time periods varied.

Under the Uniform Time Act passed in 1966 any state that adopted daylight savings time would have to follow the dates set by the federal government.

Today all states in the nation except Arizona and Hawaii observe daylight saving time.

Many other nations, including the European Union, for instance, observe daylight savings time during a period beginning the last Sunday of March and extending until the last Sunday of October.

Most of Mexico and Canada have daylight savings time as do Russia and China.

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