Daylight Saving Time begins March 10

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Clocks will move forward an hour at 2 a.m. on March 10 as Daylight Saving Time begins. Clocks change from 2 a.m. to 3 a.m. This will result in mornings being dark for longer and evenings being light for longer.

Hawaii and Arizona (except Navajo Reservation) do not observe Daylight Saving Time.

According to the Bureau of Transportation Statistics, in the U.S daylight saving time begins the second Sunday in March and ends the first Sunday in November. Some states are pushing to extend daylight saving time year-round. 

Pacific Standard Time is eight hours behind Coordinated Universal Time (UTC), which is the same as Greenwich Mean Time or Greenwich Standard Time. UTC falls along 0 degrees longitude or the prime meridian, which goes through Greenwich, England. Unlike latitude, longitude lines are arbitrary. Latitude is based on the Equator to the North and South poles. Pacific Daylight Saving Time is seven hours behind UTC. 

According to the American Academy of Sleep Medicine daylight saving time is not good for human health and we are more in tune with standard time:

  • Daylight saving time goes against your body’s circadian rhythm which helps regulate your sleep-wake cycle, according to a growing body of research.
  • Moving the clock an hour forward can pose serious health risks, such as stroke and heart attack, especially in the week following the time change.
  • Depending on their own internal clocks, some people are more vulnerable to time change-related issues than others.

The American Red Cross recommends people check fire alarms when Daylight Saving Time begins and ends.

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