Greeley, Hamilton, Sherman and Wallace counties: Mountain Standard Time (MST) Most of the state: Central Standard Time (CST) Some counties near the southwestern and northwestern border of the state use Central Standard Time (CST) North of the Salmon River: Pacific Standard Time (PST) Most of the state: Mountain Standard Time (MST) Hawaii does not use Daylight Saving Time (DST) Guam does not use Daylight Saving Time (DST) West of the Apalachicola River: Central Standard Time (CST) Most of the state: Eastern Standard Time (EST) The Navajo Nation uses Daylight Saving Time (DST), the rest of the state does notĪmerican Samoa does not use Daylight Saving Time (DST) States and Territories by Time Zone States StateĪleutian Islands Hawaii-Aleutian Standard Time (HST) §260: Jarvis Island, Midway Atoll, Palmyra Atoll, Kingman Reef §260: Johnston AtollĪmerican Samoa Not defined by 15 U.S.C. Hawaii (no DST observed in Hawaii) Partially: Alaska No DST observed, not defined by 15 U.S.C. §260: Navassa Island, Bajo Nuevo Bank, Serranilla BankĪlabama, Arkansas, Chicago, Iowa, Louisiana, Minnesota, Mississippi, Missouri, Oklahoma, Wisconsin Partially: Florida, Indiana, Kansas, Kentucky, Michigan, Nebraska, North Dakota, South Dakota, Tennessee, TexasĪrizona (no DST outside of Navajo Nation), Colorado, Montana, New Mexico, Utah, Wyoming Partially: Idaho, Kansas, Nebraska, North Dakota, Oregon, South Dakota, TexasĬalifornia, Nevada, Washington (state) Partially: Idaho, Oregon

law they are:Ĭonnecticut, 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. The United States of America and its surrounding areas use 9 standard time zones.

Time zone map florida