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Daylight saving time in the United States - Wikipedia

en.wikipedia.org/wiki/Daylight_saving_time_in_the_United_States

During World War I, in an effort to conserve fuel, Germany began observing DST on May 1, 1916. The rest of ...

Most of Arizona Exempt from Daylight Saving Time - Timeanddate.com

www.timeanddate.com/time/us/arizona-no-dst.html

Some parts of Indiana did not observe daylight saving time ... to use its resources about Arizona's time and daylight ...

Which states do not observe Daylight Saving Time? | Tulsa City ...

www.tulsalibrary.org/faq/which-states-do-not-observe-daylight-saving-time

Currently, Arizona, Hawaii, the eastern time zone portion of Indiana, Puerto Rico, the U.S. Virgin Islands and American Samoa do not observe Daylight Saving ...

Which states want to drop daylight saving time? - CSMonitor.com

www.csmonitor.com/USA/USA-Update/2016/1105/Which-states-want-to-drop-daylight-saving-time

Nov 5, 2016 ... ... with three US territories, already don't observe daylight saving time. ... found annual energy usage declined about 0.03 percent because of ...

Daylight Saving Time: How it Started & Why Some States Don't ...

www.theblaze.com/stories/2011/11/02/daylight-savings-time-how-it-started-why-some-states-dont-participate/

Nov 2, 2011 ... Arizona, Hawaii, American Samoa, Puerto Rico and the Virgin Islands don't participate in daylight saving. Indiana used to be split, but opted for ...

End Day Light Saving Time

www.standardtime.com/

Daylight saving time did indeed begin in the United States during World War I, primarily to save fuel by reducing the need to use artificial lighting. Although some ...

Why doesn't Arizona observe daylight-saving time? - AZCentral.com

www.azcentral.com/story/news/local/arizona/2015/01/09/arizona-daylight-saving-explainer/21500667/

Mar 9, 2016 ... Daylight-saving time and Arizona: Why they don't mix ... States could opt out, but Arizona took part that first summer and ... Fisher clean weeds from the pebbles used to create an Arizona flag in their garden at Copper Ridge.

Do All Countries Observe Daylight Saving Time | Sleep.org

sleep.org/articles/does-everyone-observe-daylight-saving/

Daylight Saving Time is not observed in Hawaii or Arizona (with the exception of ... along and below the equator don't participate in Daylight Savings Time. ... the states and territories to decide whether they want to use Daylight Savings Time, ...

We Don't Need Daylight Saving Time

wedontneeddst.com/

Daylight Saving Time is left-over of early 20th century. It has no purpose in this age. ... 68%. Countries of the World don't use Daylight Saving Time.

Is Arizona great or crazy for ignoring daylight-saving time?

www.azcentral.com/story/news/local/arizona/2016/03/10/arizona-ignore-observe-daylight-saving-time/81544124/

Mar 10, 2016 ... By ignoring daylight-saving time, Arizonans get cooler evenings and early ... people in other states that they don't observe daylight-saving time.

Answer
Arizona (with the exception of the Navajo Nation) and Hawaii do not observe Daylight Saving Time.
Indiana adopted its use beginning in 2006. American Samoa, Guam, Puerto Rico, and the Virgin Islands still do not observe DST.
More Info

Daylight Savings Time: 7 Surprising Things You May Not Know

news.nationalgeographic.com

Mar 6, 2015 ... For most of the United States, this weekend sees the return of clock ... Each U.S. state and territory is free to ignore daylight savings time, ... "Many people don't want to move their clocks, whether it's ... Research shows that given an extra hour of evening daylight, many Americans use the time to go out...

POLL: Do you think daylight saving time is still necessary?

www.accuweather.com

Nov 7, 2016 ... While daylight saving time was primarily started in the United States for the sake of ... Homes would need to use less energy to stay lit. ... Among the states that don't currently participate in daylight saving are Arizona and ...

Daylight Saving Time - Infoplease

www.infoplease.com

The federal law that established "daylight time" in the United States does not require any ... summer sun in those regions you can understand why residents don't need another hour of sunlight. ... Most of Canada uses Daylight Saving Time.