Happening this weekend: Daylight Saving Time ends

Daylight Saving Time (DST), which started March 10, ends this Sunday at 2 a.m.

In the United States, DST, also known as summertime, was first introduced in 1918. But it wasn't until 1966 that the Uniform Time Act was established.

The law grants states the ability to opt-out of DST, but nothing in the federal law allows them to exempt themselves from standard time.

 
User: News12 Long Island Meteorologist Rich Hoffman To: link

Arizona and Hawaii don't use DST. Most countries outside Europe and North America don't take part in DST.

One reason Congress used in enacting DST is that it saves energy. But, according to CNN, a 2008 U.S. Department of Energy study reported that daylight saving time reduces annual energy use by only about 0.03%. And a study that same year from the University of California-Santa Barbara found it might even increase energy consumption.

"Spring forward, fall back" is the phrase used to help people remember how the time change affects their clocks.

Think you know everything there is about Daylight Saving Time? Take our quiz below:

 

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