Contents 1 Areas using UTC−4 1.1 Single zone countries without DST 1.2 Single zone countries with DST 1.3 Multizone countries

UTC−4 is the time offset used in the Atlantic Standard Time Zone in Canada in winter and the North American Eastern Time Zone during daylight saving time (DST), as well as other countries.

Areas using UTC−4

Single zone countries without DST

• Anguilla
• Antigua and Barbuda
• Aruba
• Barbados
• Bolivia
• Dominica
• Dominican Republic
• Grenada
• Guadeloupe
• Guyana
• Martinique
• Montserrat
• Netherlands Antilles
• Puerto Rico (AST—Atlantic Standard Time)
• Saint Kitts and Nevis
• Saint Lucia
• Saint Vincent and the Grenadines
• Trinidad and Tobago

Single zone countries with DST

• Bermuda*
• Falkland Islands**
• Paraguay**

Multizone countries

• Brazil
  • Acre
  • Amazonas
  • Mato Grosso**,
  • Mato Grosso do Sul**,
  • Pará (western)¹,
  • Rondônia,
  • Roraima
• Canada (AST—Atlantic Standard Time)
  • Labrador (all but southeastern tip)*,
  • New Brunswick*,
  • Nova Scotia*,
  • Prince Edward Island*,
  • Quebec (east of the 63°W longitude)
• Chile
  • Mainland (all of Chile except Easter Island)**
• Greenland—Kalaallit Nunaat
  • northwestern
    • Pituffik area* (observes United States daylight saving time rules)
• Virgin Islands
  • British Virgin Islands and
  • U.S. Virgin Islands (AST——Atlantic Standard Time)
• United States—North American Eastern Time Zone during daylight saving time

Note: ¹From June 24th, 2008, the entire State of Pará will adopt UTC-4, according to Brazilian Law No. 11662.