// Workers AI · dad joke modeWhy was UTC−06:00 late? It was behind time.

UTC−06:00
UTC−06:00
Time zone
	World map with the time zone highlighted
UTC offset
UTC	UTC−06:00
Current time
	19:27, 30 July 2026 UTC−06:00 [refresh]
Central meridian
	90 degrees W
Date-time group
	S

UTC−06:00 is an identifier for a time offset from UTC of −06:00. In North America, it is observed in the Central Time Zone (Spanish: Zona Centro) during standard time and in the Mountain Time Zone during the other eight months (see daylight saving time). Several Latin American countries and a few other places use it year-round.

As standard time (Northern Hemisphere winter)

Principal cities: Winnipeg, Chicago, Dallas, Houston, St. Louis, Minneapolis, Austin, Memphis, Kansas City, San Antonio, Nashville, New Orleans, Milwaukee, Oklahoma City, Reynosa

North America

CST is standard time in the 6th time zone west of Greenwich, centralized by the 90th meridian; used in North America in some parts of Canada, Mexico and the United States.^[1]

Canada (Central Time Zone)
- Manitoba
- Nunavut
  - Kivalliq Region except Southampton Island (Coral Harbour)
- Ontario
  - West of 90° west^[2]
Mexico (near US border with Texas)
- Chihuahua
  - The municipalities of Coyame del Sotol, Ojinaga and Manuel Benavides^[3]
- 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
  - The city of Phenix City uses both UTC−05:00 and UTC−06:00 due to its proximity to Columbus, Georgia
- Arkansas
- Florida
  - The counties of Bay, Calhoun, Escambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton, and Washington, and northern Gulf County (panhandle)^[4]
- Illinois
- Indiana^[5]
  - 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 Greeley, Hamilton, Sherman and Wallace counties
- Kentucky
  - The counties of Breckinridge, Grayson, Hart, Green, Adair, Russell and Clinton, and all counties to the west of these^[4]^[6]
- Louisiana
- Michigan^[7]
  - 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^[4]^[8]
- Texas
  - All except northwestern Culberson, El Paso and Hudspeth counties
- Wisconsin

As daylight saving time (Northern Hemisphere summer)

Principal cities: Yellowknife, Denver, Billings, Boise, Salt Lake City, Albuquerque, El Paso, Ciudad Juárez

North America

Canada (Mountain Time Zone)^[9]
- British Columbia^[10]
  - The south-eastern communities of Cranbrook, Golden, Invermere and Kimberley
- Northwest Territories
- Nunavut
  - Kitikmeot Region^[11]
Mexico (near US border with New Mexico & western Texas)
- Chihuahua
  - The municipalities of Janos, Ascensión, Juárez, Práxedis G. Guerrero and Guadalupe^[3]
United States (Mountain Time Zone)^[4]
- Arizona - Navajo Nation only
- Colorado
- Idaho^[12]
  - South of Salmon River
- Kansas
  - The western counties of Greeley, Hamilton, Sherman and Wallace
- Montana
- Nebraska
  - The western counties of Cherry (western part), Hooker, Arthur, Keith, Perkins, Chase and Dundy, and all counties to the west of these
- Nevada
  - West Wendover
- New Mexico
- North Dakota
  - The Southwestern counties of Adams, Billings, Bowman, Dunn (southern part), Golden Valley, Grant, Hettinger, McKenzie (southern part), Sioux (west of ND route 31), Slope and Stark
- Oklahoma
  - Kenton
- Oregon
  - Malheur County (except a small strip in the south)
- South Dakota
  - The western counties of Corson, Dewey, Stanley (western part), Jackson and Bennett, and all counties to the west of these
- Texas
  - The western counties of Culberson (northwestern part), El Paso and Hudspeth
- Utah
- Wyoming

As standard time (year-round)

Principal cities: Calgary, Edmonton, Regina, Saskatoon, Puebla, Orizaba, Mexico City, Guadalajara, Monterrey, Guatemala City, Tegucigalpa, Managua, Belmopan, Belize City, San José, San Salvador, San Pedro Sula, Liberia.

Central America

Belize
Costa Rica
El Salvador
Guatemala
Honduras
Nicaragua
- Called Central America Time Zone

North America

Canada (Central Time Zone)
- Alberta, where it is officially called Alberta Time and formerly known as Mountain Daylight Time.^[13]
- Saskatchewan
Mexico (Zona Centro)
- All except Baja California, Baja California Sur, most of Nayarit, Quintana Roo, Sinaloa, Sonora and the northern municipalities of Chihuahua, Coahuila, Nuevo León and Tamaulipas.^[3]
- A small enclave of the UTC−6 time zone is followed in the municipality of Bahía de Banderas, Nayarit, due to its strong economic ties with the neighboring municipality of Puerto Vallarta, Jalisco. In most UNIX-like operating systems this area is represented as America/Bahia_Banderas.

Oceania

East Pacific

Ecuador
- Galápagos Province

As standard time (Southern Hemisphere winter)

Principal settlement: Hanga Roa

Oceania

East Pacific

Chile
- Easter Island

References

↑ "WordNet Search – 3.1". wordnetweb.princeton.edu. Retrieved 9 July 2017.
↑ "Ontario Time Zone – Ontario Current Local Time – Daylight Saving Time". TimeTemperature.com. Archived from the original on 7 February 2015. Retrieved 1 February 2015.
1 2 3 "Hora Oficial en los Estados Unidos Mexicanos" (in Spanish). Centro Nacional de Metrologîa. 2 April 2023. Retrieved 21 October 2023.
1 2 3 4 "Time Zones of the United States". Statoids. Retrieved 25 August 2012.
↑ "Time zone map (spring)" (PDF). Indiana State. 13 March 2011. Archived from the original (PDF) on 10 May 2012. Retrieved 14 July 2012.
↑ "Kentucky County Map". Kentucky Map Collection. Geology.com. Retrieved 6 October 2012.
↑ "Michigan Time Zone – Michigan Current Local Time – Daylight Saving Time". TimeTemperature.com. Archived from the original on 25 August 2012. Retrieved 25 August 2012.
↑ "Tennessee County Map". Tennessee Map Collection. Geology.com. Retrieved 6 October 2012.
↑ "North American time zones: MST – Mountain Standard Time". Time and Date. Retrieved 28 September 2012.
↑ New Time Zone in Fort Nelson, timeanddate.com, September 21, 2015.
↑ "Canada Time Zone Map". WorldTimeZone.com. Retrieved 9 November 2012.
↑ "15 USC § 264 – Part of Idaho in Fourth Zone". Legal Information Institute. Cornell University Law School. Retrieved 15 July 2012.
↑ "Alberta's new time system". Government of Alberta. Retrieved June 27, 2025.

External links

Media related to UTC−06:00 at Wikimedia Commons

[1] "WordNet Search – 3.1". wordnetweb.princeton.edu. Retrieved 9 July 2017.

[ttont-2] "Ontario Time Zone – Ontario Current Local Time – Daylight Saving Time". TimeTemperature.com. Archived from the original on 7 February 2015. Retrieved 1 February 2015.

[cenam-3] 1 2 3 "Hora Oficial en los Estados Unidos Mexicanos" (in Spanish). Centro Nacional de Metrologîa. 2 April 2023. Retrieved 21 October 2023.

[statoidus-4] 1 2 3 4 "Time Zones of the United States". Statoids. Retrieved 25 August 2012.

[Time_zone_map_spring-5] "Time zone map (spring)" (PDF). Indiana State. 13 March 2011. Archived from the original (PDF) on 10 May 2012. Retrieved 14 July 2012.

[kentmap-6] "Kentucky County Map". Kentucky Map Collection. Geology.com. Retrieved 6 October 2012.

[ttmich-7] "Michigan Time Zone – Michigan Current Local Time – Daylight Saving Time". TimeTemperature.com. Archived from the original on 25 August 2012. Retrieved 25 August 2012.

[tennmap-8] "Tennessee County Map". Tennessee Map Collection. Geology.com. Retrieved 6 October 2012.

[9] "North American time zones: MST – Mountain Standard Time". Time and Date. Retrieved 28 September 2012.

[bc-10] New Time Zone in Fort Nelson, timeanddate.com, September 21, 2015.

[11] "Canada Time Zone Map". WorldTimeZone.com. Retrieved 9 November 2012.

[cornell-12] "15 USC § 264 – Part of Idaho in Fourth Zone". Legal Information Institute. Cornell University Law School. Retrieved 15 July 2012.

[13] "Alberta's new time system". Government of Alberta. Retrieved June 27, 2025.

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A page that knows where it met you.

// Workers AI · dad joke modeWhy was UTC−06:00 late? It was behind time.

As standard time (Northern Hemisphere winter)

North America

As daylight saving time (Northern Hemisphere summer)

North America

As standard time (year-round)

Central America

North America

Oceania

East Pacific

As standard time (Southern Hemisphere winter)

Oceania

East Pacific

See also

References

External links

Standard	DST
GMT−05:00	GMT−04:00	Eastern Time
GMT−05:00 (year round)		Eastern Time
GMT−06:00	GMT−05:00	Central Time
GMT−07:00	GMT−06:00	Mountain Time

	Standard	DST	US time zone
Red	UTC−06:00	UTC−05:00	Central Time
Yellow	UTC−05:00	UTC−04:00	Eastern Time