Standard time: UTC/GMT -6:00 hours . Its pretty apparent, for example, when someone crosses between Georgia and Alabama. var phoenix_y272 = ''; Tennessee (TN) time zone WhichTimezone. Santiago Tennessee County Map | Map of Tennessee Counties | County map . Cities in Eastern Standard Time Zone include Johnson City, Greeneville, Mornstown, Knoxville, Harrogate, Chattanooga, Harriman, Lenoir City. var phoenix_y42 = ''; var angeles_y62 = ''; North America Time Zone Map: PDF Print 4.