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., 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, Hamilton North America Canada – Atlantic Time Zone New Brunswick Newfoundland and Labrador Labrador Except the area between L'Anse-au-Clair and Norman Bay Nova Scotia Prince Edward Island Denmark Greenland Pituffik (Thule) (former settlement), Qaanaaq (present settlement) United Kingdom Bermuda As daylight saving time (Northern Hemisphere summer) Principal cities: New York, Washington, Philadelphia, Boston, Miami, Ottawa, Toronto, Montreal, Havana, Nassau, Port-au-Prince, Cockburn Town, Providenciales North America Canada (Eastern Time Zone) Nunavut Qikiqtaaluk Region except Resolute Ontario East of 90° West longitude Quebec Most of province except easternmost part of Côte-Nord United States (Eastern Time Zone) 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 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 Maryland Michigan Except the western counties of Dickinson, Gogebic, Iron and Menominee New England (states of Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island and Vermont) 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 Virginia West Virginia Caribbean Bahamas Cuba Haiti United Kingdom Turks and Caicos Islands As standard time (year-round) Principal cities: Caracas, Manaus, Santo Domingo, 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 South America Bolivia Brazil The states of Amazonas (except westernmost municipalities), Mato Grosso, Mato Grosso do Sul, Rondônia and Roraima) Guyana Venezuela Eastern Caribbean Antigua and Barbuda Barbados Dominica Dominican Republic France Guadeloupe Basse-Terre Grande-Terre