what utc time zone is arizona?
Mountain Time Zone UTC−07:00
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 Phoenix ( / ˈfiːnɪks / ) is the capital and largest city of the U.S. state of Arizona . With 1 @,@ 563 @,@ 025 people ( as of 2015 ) , Phoenix is the sixth most populous city nationwide , the most populous state capital in the United States , and the only state capital with a population of more than 1 million residents . 

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 At 7 @,@ 000 feet ( 2 @,@ 130 m ) elevation , located adjacent to the largest contiguous Ponderosa Pine forest in North America , Flagstaff is located on a mountain surrounded by volcanoes , in the heart of the Coconino national forest . Any type of desert climate can be found below its elevation 100 miles from Flagstaff . The city is situated on the Rio de Flag , and is about 130 miles ( 210 km ) north of Phoenix . 

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 The Federal Bureau of Prisons operates the Federal Correctional Institution ( FCI ) Phoenix which is within the city limits , near its northern boundary . 

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 Flagstaff is a city located in northern Arizona , in the southwestern United States . In 2015 , the city 's estimated population was 70 @,@ 320 . The combined metropolitan area of Flagstaff has an estimated population of 139 @,@ 097 . It is the county seat of Coconino County . The city is named after a ponderosa pine flagpole made by a scouting party from Boston ( known as the " Second Boston Party " ) to celebrate the United States Centennial on July 4 , 1876 . 

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 Phoenix is the sixth most populous city in the United States according to the 2010 United States Census , with a population of 1 @,@ 445 @,@ 632 , making it the most populous state capital in the United States . Phoenix 's ranking as the sixth most populous city was a drop from the number five position it had held since the U. S. Census Bureau released population estimates on June 28 , 2007 . Those statistics used data from 2006 , which showed Phoenix 's population at 1 @,@ 512 @,@ 986 , which put it just ahead of Philadelphia . 
