id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-5040 Time in the United States - Wikipedia .html text/html 3421 360 75 Standard time zones in the United States and other regions are currently defined at the federal level by law 15 USC §260.[6] The federal law also establishes the transition dates and times at which daylight saving time occurs, if observed. Connecticut, Delaware, District of Columbia, Georgia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia; Partially: Florida, Indiana, Kentucky, Michigan, Tennessee; No DST observed, not defined by 15 U.S.C. Alabama, Arkansas, Illinois, Iowa, Louisiana, Minnesota, Mississippi, Missouri, Oklahoma, Wisconsin; Partially: Florida, Indiana, Kansas, Kentucky, Michigan, Nebraska, North Dakota, South Dakota, Tennessee, Texas Arizona (no DST outside of Navajo Nation), Colorado, Montana, New Mexico, Utah, Wyoming; Partially: Idaho, Kansas, Nebraska, North Dakota, Oregon, South Dakota, Texas follows the border between New Mexico (west) and Oklahoma (east) (although the zone legally begins at the Oklahoma–New Mexico state line, Kenton in extreme northwestern Cimarron County, Oklahoma unofficially observes mountain time) ./cache/en-wikipedia-org-5040.html ./txt/en-wikipedia-org-5040.txt