UTC−04:00

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UTC−04:00 is an identifier for a time offset from UTC of −04:00.

It is observed in the Eastern Time Zone (e.g., in Canada and the United States) during the warm months of daylight saving time, as Eastern Daylight Time. The Atlantic Time Zone observes it during standard time (cold months).

It is observed all year in the Eastern Caribbean and several South American countries.

As standard time (Northern Hemisphere winter)

Principal cities: Halifax, Saint John, Fredericton, Hamilton

Canada – Atlantic Time Zone
- New Brunswick
- Newfoundland and Labrador
  - Labrador
    - Except the area between L'Anse-au-Clair and Norman Bay^[1]
- Nova Scotia
- Prince Edward Island
Denmark
- Greenland^[2]
  - Pituffik (Thule) (former settlement), Qaanaaq (present settlement)
United Kingdom
- Bermuda

As daylight saving time (Northern Hemisphere summer)

Principal cities: New York, Washington, Philadelphia, Boston, Atlanta, Miami, Detroit, Baltimore, Cleveland, Pittsburgh, Indianapolis, Orlando, Charlotte, Charleston, Wilmington, Key West, Toronto, Montreal, Ottawa, Quebec City, Iqaluit, Nassau, Havana, Kingston, Port-au-Prince, Cockburn Town, Providenciales

Canada (Eastern Time Zone)
- Nunavut
  - Qikiqtaaluk Region except Resolute
- Ontario
  - East of 90° West longitude^[3]
- Quebec
  - Most of province except easternmost part of Côte-Nord
United States (Eastern Time Zone)^[4]
- Delaware
- District of Columbia
- Florida
  - Entire state except the counties of Bay, Calhoun, Escambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton, and Washington, and northern Gulf county (panhandle)
- Georgia
- Indiana^[5]
  - Except the northwestern counties of Jasper, Lake, LaPorte, Newton, Porter and Starke, and the southwestern counties of Gibson, Perry, Posey, Spencer, Vanderburgh and Warrick
- Kentucky
  - Counties to the east of the counties of Breckinridge, Grayson, Hart, Green, Adair, Russell and Clinton^[4]^[6]
- Maryland
- Michigan^[7]
  - Except the western counties of Dickinson, Gogebic, Iron and Menominee
- New England (states of Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island and Vermont)^[4]
- New Jersey
- New York
- North Carolina
- Ohio
- Pennsylvania
- South Carolina
- Tennessee
  - The counties of Scott, Morgan, Roane, Rhea, Meigs and Bradley, and all counties to the east of these^[4]^[8]
- Virginia
- West Virginia

Bahamas
Cuba
Haiti
United Kingdom
- Turks and Caicos Islands

As standard time (year-round)

Principal cities: Caracas, Manaus, La Paz, Georgetown, Santa Cruz de la Sierra, St. John's, Bridgetown, Roseau, Santo Domingo, Gustavia, St. George's, The Bottom, Oranjestad, Philipsburg, Lower Prince's Quarter, Basseterre, Castries, Kingstown, Port of Spain, San Fernando, The Valley, Road Town, Plymouth, Brades, Little Bay, San Juan, Charlotte Amalie, Oranjestad, Kralendijk, Willemstad, Pointe-à-Pitre, Les Abymes, Fort-de-France, Maracaibo, Blanc-Sablon, Harrington Harbour

Bolivia
Brazil
- The states of Amazonas (except westernmost municipalities), Mato Grosso, Mato Grosso do Sul, Rondônia and Roraima
Guyana
Venezuela^[9]

Antigua and Barbuda
Barbados
Dominica
Dominican Republic
France
Grenada
- Carriacou and Petite Martinique
Netherlands
Saint Kitts and Nevis
- Saint Kitts
- Nevis
Saint Lucia
Saint Vincent and the Grenadines
- Saint Vincent
- The Grenadines
Trinidad and Tobago
- Tobago
- Trinidad
United Kingdom

United States
- Puerto Rico
  - Spanish Virgin Islands
- United States Virgin Islands

Other Caribbean locales

Netherlands
- Aruba
- Bonaire
- Curaçao

Canada – Atlantic Time Zone
- Quebec
  - East of the 63°W longitude (Le Golfe-du-Saint-Laurent Regional County Municipality)

Some bases in Antarctica. See also Time in Antarctica
- Brazil
  - Comandante Ferraz Antarctic Station
- Russia
  - Bellingshausen Station

As standard time (Southern Hemisphere winter)

Principal cities: Santiago, Asunción

Chile (except Easter Island and Magallanes/Antarctic)^[10]^[11]
Paraguay

Some bases in Antarctica. See also Time in Antarctica

^ "Newfoundland-Labrador Time Zone – Newfoundland-Labrador Current Local Time – Daylight Saving Time". TimeTemperature.com. Retrieved 2012-10-26.
^ "How far is it from Qaanaaq to locations worldwide". timeanddate.com. Retrieved 2014-04-24.
^ "Ontario Time Zone – Ontario Current Local Time – Daylight Saving Time". TimeTemperature.com. Retrieved 2015-02-01.
^ ^a ^b ^c ^d "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. Retrieved 25 August 2012.
^ "Tennessee County Map". Tennessee Map Collection. Geology.com. Retrieved 2012-10-06.
^ "Venezuela Time Zone". Venezuela Changes Time Zone To Save Electricity. Sky News. 2016-04-16. Archived from the original on 2016-04-18. Retrieved 2016-04-16.
^ "South America Time Zone Map". TimeTemperature. Retrieved 4 February 2018.
^ "Official Time". Chilean Navy Hydrographic and Oceanographic Service. Archived from the original on 20 April 2019. Retrieved 17 June 2019.

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