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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.

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 ...

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

6 days ago ... Most of the US state of Arizona does not use Daylight Saving Time (DST). ... forward 1 hour in spring for DST with the rest of the United States.

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 ...

www.aol.com/article/lifestyle/2017/03/10/states-opt-out-daylight-saving-time/21879629

Mar 10, 2017 ... Well, not everyone's. Arizona and Hawaii don't follow daylight saving time like the rest of the U.S. — but they used to. Fiddling with the clocks ...

www.usatoday.com/story/news/nation-now/2017/03/09/arizona-no-daylight-saving-time/98964644

Mar 9, 2017 ... Clocks will remain untouched as daylight-saving time officially starts. ... While other states are lumped into time zones, the Grand Canyon State ... Warning: Don 't Use Probiotics Before You See ThisPrebioThrive Supplement.

news.nationalgeographic.com/news/2015/03/150306-daylight-savings-time-spring-forward-united-states-science-nation

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 and ...

thefw.com/2-states-dont-observe-daylight-saving-time

Mar 10, 2017 ... Daylight Saving Time is upon us. Well, most of us. Yes, this Sunday, March 12 at 2 a.m., we spring forward by moving our clocks ahead one ...

www.azcentral.com/story/travel/2017/03/06/why-arizona-doesnt-observe-daylight-saving-time/98639074

Mar 6, 2017 ... While the rest of the 48 contiguous states are lumped into time zones, the ... The first use of daylight saving dates to July 1908 in Port Arthur (now ... MORE: Daylight-saving time and Arizona: Why they don't mix | Why one ...

www.accuweather.com/en/weather-news/poll-fall-back-end-daylight-saving-time/36571690

Nov 7, 2016 ... Homes would need to use less energy to stay lit. ... Among the states that don't currently participate in daylight saving are Arizona and Hawaii, ...