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PORTLAND, Ore. -- It's the weekend to "spring ahead" to daylight saving time.

For one night, there's the prospect of 60 fewer minutes of sleep, but ahead are many months with an extra hour of evening sunlight.

The official change takes place at 2 a.m. on Sunday, March 8. Be sure to move your clocks one hour ahead.

The Oregon State Fire Marshal is reminding you to check your smoke detectors when changing your clocks.

The time change helps keep the hours of daylight coordinated with the time that most people are active, according to the National Institute of Standards and Measurements. Proponents feel that this saves energy because in the spring and summer months more people may be outside in the evening and not using energy at home.

Not everyone in the U.S. makes the switch from standard time. The exceptions are Hawaii, most of Arizona, Puerto Rico, the Virgin Islands, American Samoa, Guam and the Northern Marianas.

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