what timezone is denver co?
Mountain Time Zone UTC−07:00
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 Denver is also served by over 40 AM and FM radio stations , covering a wide variety of formats and styles . Denver @-@ Boulder radio is the No. 19 market in the United States , according to the Spring 2011 Arbitron ranking ( up from No. 20 in Fall 2009 ) . For a list of radio stations , see Radio Stations in Colorado 

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 Denver 's west @-@ central geographic location in the Mountain Time Zone ( UTC − 7 ) also benefits the telecommunications industry by allowing communication with both North American coasts , South America , Europe , and Asia in the same business day . Denver 's location on the 105th meridian at over one mile ( 1 @.@ 6 km ) in elevation also enables it to be the largest city in the U.S. to offer a " one @-@ bounce " real @-@ time satellite uplink to six continents in the same business day . Qwest Communications , Dish Network Corporation , Starz @-@ Encore , DIRECTV , and Comcast are a few of the many telecommunications companies with operations in the Denver area . These and other high @-@ tech companies had a boom in Denver in the mid to late 1990s . Denver had one of the lowest unemployment rates in the nation at 3 @.@ 8 % in October 2007 . As of April 2015 , the unemployment rate for the Denver @-@ Aurora @-@ Broomfield MSA is 4 @.@ 2 % . The Downtown region has seen increased real estate investment with the construction of several new skyscrapers set to be completed in 2010 – 2013 . 

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 Denver 's relationship with Brest , France , began in 1948 , making it the second @-@ oldest sister city in the United States . Since then , Denver has established relationships with additional sister cities , and currently has a total of ten partnerships : 

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 Geography also allows Denver to have a considerable government presence , with many federal agencies based or having offices in the Denver area . Along with federal agencies come many companies based on US defense and space projects , and more jobs are brought to the city by virtue of its being the capital of the state of Colorado . The Denver area is home to the former nuclear weapons plant Rocky Flats , the Denver Federal Center , Byron G. Rogers Federal Building and United States Courthouse , the Denver Mint , and the National Renewable Energy Laboratory . 

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 Denver is the 16th @-@ largest market in the country for television , according to the 2009 – 2010 rankings from Nielsen Media Research . 
