UTC−04:00

UTC−04:00 makes clocks 4 hours earlier than Greenwich Mean Time.

These are the places who are on the UTC−04:00 time zone.

As standard time (all year round)

ECT - Eastern Caribbean Time Zone

• Anguilla (UK)
• Antigua and Barbuda
• Barbados
• Dominica
• Grenada
• Montserrat (UK)
• Saint Kitts and Nevis
• Saint Lucia
• Saint Vincent and the Grenadines
• Trinidad and Tobago
• British Virgin Islands (UK)

Atlantic Standard Time

• Puerto Rico (US)
• U.S. Virgin Islands (US)

Other Caribbean

• Aruba
• Curaçao
• Dominican Republic
• Guadeloupe (France)
• Martinique (France)
• Sint Maarten

South America

• Bolivia
• Guyana
• Brazil - Acre, Amazonas, Rondônia, Roraima

North America

• Canada - Quebec (east of the 63°W longitude)

As standard time (Northern Hemisphere winter)

Atlantic Standard Time

• Bermuda (UK)
• Canada
  • all of New Brunswick (legally offset from GMT), Nova Scotia (legally offset from GMT), Prince Edward Island
  • Newfoundland and Labrador - most of Labrador
• Greenland (Denmark) (Kalaallit Nunaat)- northwestern (observes United States daylight saving time rules)

As standard time (Southern Hemisphere winter)

South America

• Brazil - Mato Grosso, Mato Grosso do Sul
• Chile - Mainland. See also Time in Chile
• Falkland Islands
• Paraguay

As daylight saving time (Northern Hemisphere summer)

Caribbean

• Bahamas
• Cuba
• Turks and Caicos Islands (UK)

Eastern Daylight Time

• Canada
  • Nunavut (eastern), most of Ontario and most of Quebec
• United States
  • All of Connecticut, Delaware, District of Columbia, Georgia (U.S. state), Maine, Maryland,Massachusetts, New Hampshire, New Jersey,New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia
  • Most of Florida, Indiana, Michigan
  • Eastern parts of Kentucky, Tennessee