Principal cities:
Winnipeg,
Chicago,
Dallas,
Houston,
St. Louis,
Minneapolis,
Austin,
Memphis,
Kansas City,
San Antonio,
Nashville,
New Orleans,
Milwaukee,
Oklahoma City,
Reynosa North America • Canada (
Central Time Zone) •
Manitoba • Nunavut • All of
Kivalliq Region (
Coral Harbour) • Ontario • West of 90° west longitude • Mexico (near US border with Texas) •
Chihuahua • The municipalities of
Coyame del Sotol,
Ojinaga and
Manuel Benavides •
Coahuila de Zaragoza • The municipalities of
Acuña,
Allende,
Guerrero,
Hidalgo,
Jiménez,
Morelos,
Nava,
Ocampo,
Piedras Negras,
Villa Unión and
Zaragoza •
Nuevo León • The municipality of
Anahuac •
Tamaulipas • The municipalities of
Nuevo Laredo,
Guerrero,
Mier,
Miguel Alemán,
Camargo,
Gustavo Díaz Ordaz,
Reynosa,
Río Bravo,
Valle Hermoso and
Matamoros • United States (Central Time Zone) •
Alabama • entire state except
Phenix City •
Arkansas • Florida • Northwestern counties of
Jasper,
Lake,
LaPorte,
Newton,
Porter and
Starke • Southwestern counties of
Gibson,
Perry,
Posey,
Spencer,
Vanderburgh and
Warrick •
Iowa •
Kansas • Entire state except westernmost counties • Kentucky • The counties of Breckinridge, Grayson, Hart, Green, Adair, Russell and Clinton, and all counties to the west of these •
Louisiana • Michigan • The western counties of Dickinson, Gogebic, Iron and Menominee •
Minnesota •
Mississippi •
Missouri •
Nebraska • Central and eastern
Nebraska •
North Dakota • Entire state except southwest •
Oklahoma • Entire state except
Kenton •
South Dakota • Eastern half •
Tennessee • Counties to the west of the counties of Scott, Morgan, Roane, Rhea, and Hamilton •
Texas • All except westernmost counties •
Wisconsin ==As standard time (year-round)==