UTC−04:00
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 | |
| Meridians | |
|---|---|
| Central | 60 degrees W |
| Western border (nautical) | 67.5 degrees W |
| Eastern border (nautical) | 52.5 degrees W |
| Other | |
| Date-time group (DTG) | Q |
| External links | |
UTC−04: Blue (January), Orange (July), Yellow (all year round), Light Blue - Sea areas
UTC−04:00 is a time offset that subtracts 4 hours from Coordinated Universal Time (UTC). It is observed in the Eastern Time Zone (e.g., Canada and the United States) during the warm months of daylight saving time. The Atlantic Time Zone observes it during standard time (cold months). It is observed all year in the Eastern Caribbean.
Atlantic Standard Time (Northern Hemisphere winter)
- Greenland (Denmark) (Kalaallit Nunaat) – Thule Air Base (observes United States daylight saving time rules)
- Canada
- all of New Brunswick (legally offset from GMT[2]), Nova Scotia (legally offset from GMT[3]), Prince Edward Island
- Newfoundland and Labrador - most of Labrador
- Bermuda (UK)
Eastern Daylight Time (Northern Hemisphere summer)
- United States
- All of Connecticut, Delaware, District of Columbia, Georgia, 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
- Unofficial use in several communities in Russell County, Alabama, including Phenix City. Although the legal time for all of Alabama from the last weeks of the northern winter to mid-autumn is Central Daylight Time (UTC–5), Phenix City and its surrounding communities informally synchronize their clocks with the considerably larger city of Columbus, Georgia, directly across the Chattahoochee River from Phenix City.
- Caribbean
- Bahamas
- Cuba
- Haiti
- Turks and Caicos Islands (UK)
As standard time (all year round)
Eastern Caribbean
- 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)
- Jamaica
US territories
- Puerto Rico (US)
- U.S. Virgin Islands (US)
Other Caribbean
- Aruba (Netherlands)
- Curaçao (Netherlands)
- Dominican Republic
- Guadeloupe (France)
- Martinique (France)
- Sint Maarten (Netherlands)
South America
North America
- Canada - Quebec (east of the 63°W longitude)
As standard time (Southern Hemisphere winter)
South America
- Brazil - Mato Grosso, Mato Grosso do Sul[4][5]
- Chile - Mainland. See also Time in Chile
- Falkland Islands
- Paraguay
References
- ↑ http://www.airgreenland.com/
- ↑ "CHAPTER T-6 - Time Definition Act". Retrieved 2008-06-02.
- ↑ "Time Definition Act". Retrieved 2008-06-02.
- ↑ 4.0 4.1 "Current Time Zone". Brazil Considers Having Only One Time Zone. Time and Date. 21 July 2009. Retrieved 16 June 2012.
- ↑ 5.0 5.1 "Hora Legal Brasileira". Horário de Verão (in Portuguese). Observatório Nacional. Retrieved 16 June 2012.
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