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When Is Daylight Savings Time?

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Updated March 21, 2013

When Is Daylight Savings Time?
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Question: When Is Daylight Savings Time?
As part of an effort to shift an hour of daylight from the morning to the evening, much of the world observes Daylight Saving Time or Summer Time. When is Daylight Saving Time observed each year?
Answer:

Although it is officially called Daylight Saving Time in the United States, it is often incorrectly referred to as Daylight Savings Time. In the European Union, it is called Summer Time.

The shift to Daylight Saving Time occurs at 2 a.m. on the second Sunday in March and the change back to standard time occurs on the first Sunday in November.

In the United States, Daylight Saving Time begins and ends on the following dates at 2 a.m.:

  • 2013 - March 10 to November 3
  • 2014 - March 9 to November 2
  • 2015 - March 8 to November 1
  • 2016 - March 13 to November 6
  • 2017 - March 12 to November 5
  • 2018 - March 11 to November 4
  • 2019 - March 10 to November 3
  • 2020 - March 8 to November 1

The switch to Summer Time in the European Union occurs on the last Sunday in March and ends on the last Sunday in October.

In the European Union, Summer Time begins and ends on the following dates at 1 a.m.:

  • 2013 - March 31 to October 27
  • 2014 - March 30 to October 26
  • 2015 - March 29 to October 25
  • 2016 - March 27 to October 30
  • 2017 - March 26 to October 29
  • 2018 - March 25 to October 28
  • 2019 - March 31 to October 27
  • 2020 - March 29 to October 25

As you prepare to adjust your clocks, it is a wonderful opportunity to consider whether you are getting enough sleep to satisfy your sleep needs. Although your circadian rhythm will adjust quickly to the new time, your health will be well served if you also set aside the time to get the sleep that you need. The extra hour of sleep in the Autumn can make a big difference.

Source:

"Daylight Time." The United States Naval Observatory. Accessed: January 2012.

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