Atlantic Standard Time

English thumb|right|213px|The Atlantic Standard Time is UTC-4, including the central portion of South American thumb|Time zone map of Canada, with regions observing Atlantic Standard Time in shades of purple Proper noun Atlantic Standard Time The time of day in the time zone that encompasses most of Labrador and the Maritimes in Canada from the first Sunday of November to the second Sunday of March, as well as the eastern part of Côte-Nord region of Quebec year-round; it is four hours behind Coordinated Universal Time (UTC-4). en Atlantic Time Atlantic Standard Time Zone en Atlantic Daylight Time Translations time zone French: fr heure normale de l'Atlantique f See also en Pacific Standard Time Mountain Standard Time Central Standard Time Eastern Standard Time Newfoundland Standard Time Further reading en Time zones