Daylight saving time comes to an end Sunday - amid renewed scrutiny

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Come Sunday, people all across the United States, with the exception of those in Hawaii and Arizona, will finally get back the hour they lost in the spring.

Daylight Saving Time will end at 2 a.m. Sunday.

Do not forget to turn back your clocks this weekend!

For instance, some research suggests daylight saving time may do damage to our sleep cycle and therefore our health (although the "falling back" appears less potentially harmful than the "springing forward"). For tips on how to prepare for Daylight Saving Time, refer to this information from the National Institute of Standard and Technology's time and frequency division.


Timeline: 1784 - The idea of daylight saving is first conceived by Benjamin Franklin.

The United States followed shortly after on March 31, 1918 during World War I. It was used as a wartime measure for the United States.

In 1966, President Lyndon Johnson signed the Uniform Time Act into law.

Earlier this week, after months of deliberation, a special commission in MA charged with determining whether the state should switch to year-round daylight saving time delivered its findings.


But some people may argue that Daylight Saving Time is necessary and makes sense. For many years, DST was from the last Sunday in April until the last Sunday in October. States can exempt themselves from participation.

2007 - Under the new laws, all of IN now observes Daylight Saving Time, where only certain areas of the state did before.

The US territories of Guam, Puerto Rico, Virgin Islands and American Samoa also do not observe DLS.

Daylight-saving-time changes also play a role in financial markets.


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