Home > Time Zones > Abbreviations > CDT – Central Daylight Time

CDT – Central Daylight Time / Central Daylight Saving Time (Daylight Saving Time)

Also known as: CDST – Central Daylight Saving Time, NACDT – North American Central Daylight Time

Central Daylight Time Note:

North America: CDT is currently not observed since DST isn't active. Locations are currently observing CST instead.

Time zone map of CDT
No locations currently on CDT.
Observes CDT part of the year.
Areas with same time currently (UTC -5:00).
No locations are currently on CDT – Central Daylight Time.
Observes CDT – Central Daylight Time part of the year, but not currently.
Currently has same time zone offset as CDT (UTC -5:00) but different time zone name.

Central Daylight Time (CDT) is 5 hours behind Coordinated Universal Time (UTC). This time zone is a DST (daylight saving time) time zone and is used in: North America.

This time zone is often called Central Daylight Time.

See full time zone map

Winter Time & DST

This time zone is a daylight saving/summer time zone, in the winter some places will switch to the corresponding standard time zone: CST (Central Standard Time).

Email time zone indicator: -0500

An email sent from someone in the Central Daylight Time (CDT) time zone will have the time zone listed as "-0500" in the headers of the email. (However, "-0500" does not have to be in Central Daylight Time, as other time zones could have the same UTC offset).

Where and when is CDT observed?

North America

U.S. states using CDT in the summer and CST in the winter

  • Alabama
  • Arkansas
  • Florida - North-West parts Show

    Bay, Calhoun, Escambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton and Washington counties and norther Gulf county

  • Illinois
  • Indiana - these few north-western counties near Chicago (Lake, Porter, La Porte, Newton, Jasper, Starke) and these south-western counties in Indiana near Evansville Show

    Gibson, Posey, Vanderburgh, Warrick, Perry

  • Iowa
  • Kansas - except these western counties Show

    Greeley, Hamilton, Sherman and Wallace - MST/MDT

  • Kentucky - Western part Show

    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, Russell, Simpson, Todd, Trigg, Union, Warren and Webster counties

  • Louisiana
  • Michigan - A few western counties Show

    Dickinson, Gogebic, Iron, and Menominee

  • Minnesota
  • Mississippi
  • Missouri
  • Nebraska - Eastern parts Show

    All except Arthur, Banner, Box Butte, Chase, Cheyenne, Dawes, Deuel, Dundy, Garden, Grant, Hooker, Keith, Kimball, Morrill, Perkins, Scotts Bluff, Sheridan, and Sioux counties and the western part of Cherry county which are on MST/MDT

  • North Dakota - North and Eastern parts Show

    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, westernmost part of Morton and Fort Yates in Sioux

  • Oklahoma
  • South Dakota - Eastern parts Show

    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

  • Tennessee - Western part Show

    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

  • Texas - All, but a few counties in west Show

    El Paso and Hudspeth and part of Culberson

  • Wisconsin

Canadian provinces using CDT in the summer and CST in the winter

  • Manitoba
  • Ontario - most parts west of 90 West. (Parts east of 90 West is on EST/EDT)
  • Saskatchewan - only Creighton and Denare Beach

Mexican states using CDT in the summer and CST in the winter

  • Aguascalientes
  • Campeche
  • Chiapas
  • Coahuila
  • Colima
  • Distrito Federal
  • Durango
  • Guanajuato
  • Guerro
  • Hidalgo
  • Jalisco
  • León
  • Michoacán
  • Morelos
  • México
  • Nuevo León
  • Oaxaca
  • Puebla
  • Querétaro
  • Quintana Roo
  • San Luis Potosí
  • Tabasco
  • Tamaulipas
  • Tlaxcala
  • Veracruz
  • Yucatán
  • Zacatecas

No locations currently on CDT

  • UTC Offset: UTC -5:00

Find current time and time zone by city


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Other names

HAC – Heure Avancée du Centre (French)

Other time zones named CDT

CDT – Cuba Daylight Time

Example cities

U.S.A. – Chicago (Summer)

Related time zones

CST – Central Standard Time (Standard Time)


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