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Standard time begins at 2 a.m. local time Sunday and lasts until March 12.

Relish the chance to catch up on sleep and remember to set clocks back an hour before going to bed Saturday night. The time change means darkness will arrive earlier in the evening but it will be lighter earlier in the morning than now.

Hawaii, American Samoa, Guam, Puerto Rico, the U.S. Virgin Islands and most of Arizona do not observe daylight saving time.

The twice-a-year ritual has led some members of Congress .

The Senate in March passed a bipartisan bill, named the Sunshine Protection Act, to end the back and forth. The House has not acted on the measure.

Proponents said the idea would have positive effects on public health and the economy and even cut energy consumption.