There are also several other time zones that have the same offset from UTC as CDT, but they have different names. The Following Mexican States use CDT in the summer: Sakatchewan - Specifically Creighton and Denare Beach.Ontario - most parts west of 90 West, parts on the east side are on EST/EDT.There are a few Canadian provinces that use CDT in the summer and CST in the winter: Texas - All, but a few counties in west.Tennessee - Western part: counties of Bedford, Benton, Bledsoe, Cannon, Carroll, Cheatham, Chester, Clay, Coffee, Crockett, Cumberland, Davidson, Decatur, DeKalb, Dickson, Dyer, Fayette, Fentress, Franklin, Gibson, Giles, Grundy, Hardeman, Hardin, Haywood, Henderson, Henry, Hickman, Houston, Humphreys, Jackson, Lake, Lauderdale, Lawrence, Lewis, Lincoln, McNairy, Macon, Madison, Marion, Marshall, Maury, Montgomery, Moore, Obion, Overton, Perry, Pickett, Putnam, Robertson, Rutherford, Sequatchie, Shelby, Smith, Stewart, Sumner, Tipton, Trusdale, Van Buren, Warren, Wayne Weakley, White, Willamson, Wilson.South Dakota - Eastern parts: counties of Aurora, Beadle, Bon Homme, Brookings, Brown, Brule, Buffalo, Campbell, Charles Mix, Clark, Clay, Codington, Davison, Day, Deuel, Douglas, Edmunds, Faulk, Grant, Gregory, Hamlin, Hand, Hanson, Hughes, Hutchinson, Hyde, Jerauld, Kingsbury, Lake, Lincoln, Lyman, Marshall, McCook, McPherson, Miner, Minnehaha, Moody, Potter, Roberts, Spink, Sanborn, Sully, Tripp, Turner, Union, Yankton, Walworth and eastern parts of Jones and Stanley.North Dakota - North and Eastern parts: counties of Barnes, Benson, Bottineau, Burke, Burleigh, Cass, Cavalier, Dickey, Divide, Eddy, Emmons, Foster, Grand Forks, Griggs, Kidder, Lamoure, Logan, McHenry, McIntosh, McLean, Mountrail, Nelson, Oliver, Pembina, Pierce, Ramsey, Ransom, Renville, Richland, Rolette, Sargent, Sheridan, Steele, Stutsman, Towner, Traill, Walsh, Ward, Wells, Williams and northern parts of McKenzie and Dunn, Morton and Fort Yates in Sioux.Nebraska - Eastern parts, all except Arthur, Banner, Box Butte, Chase, Cheyenne, Dawes, Deuel, Dundy, Garden, Grant, Hooker, Keith, Kimball, Morrill, Perkins, Scotts Bluff, Sheridan, and Sioux counties which are on MST/MDT.Michigan - A few western counties: Dickinson, Gogebic, Iron, and Menominee.Kentucky - Western part: Adair, Allen, Ballard, Barren, Breckinridge, Butler, Caldwell, Calloway, Carlisle, Christian, Clinton, Crittenden, Cumberland, Daviess, Edmonson, Fulton, Graves, Grayson, Green, Hansock, Hart, Henderson, Hickman, Hopkins, Livingston, Logan, Lyon, Marshall, McCracken, McLean, Metcalfe, Monroe, Muhlenberg, Ohio, Rusell, Simpson, Todd, Trigg, Union, Warren, and Webster counties.Kansas - except these western counties: Greeley, Hamilton, Sherman, Wallace.Indiana - these few north-western counties near Chicago (Lake, Porter, La Porte, Newton, Jasper, Starke) and these south-western counties in Indiana near Evansville.Florida - North-West parts: Calhoun, Escambia, Holmes, Jackson, Oakaloose, Santa Rosa, Walton, Washington, and northern Gulf county.Where is CDT Observed/Other Time Zones in This OffsetĬDT is observed in the following United States: