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.

Principal cities: Halifax, Saint John, Fredericton, Hamilton 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 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 Principal cities: Santiago