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

North America

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

North America

Caribbean

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

South America

Eastern Caribbean

US territories

Other Caribbean locales

North America

Antarctica

Southern Ocean

As standard time (Southern Hemisphere winter)

Principal cities: Santiago

South America

Antarctica