Definition of Atlantic time in English:

Atlantic time

Syllabification: At·lan·tic time
  • The standard time in a zone including the easternmost parts of mainland Canada, Puerto Rico, and the Virgin Islands, specifically.
    • (Atlantic Standard Time, abbrev.: AST) standard time based on the mean solar time at the longitude 60° W, four hours behind GMT. (Atlantic Daylight Time, abbrev.: ADT) Atlantic time during daylight savings, three hours behind GMT.
    More example sentences
    • The data suggests that joining the Atlantic time zone would reduce Quebec's high rates of depression.
    • Kate linked to a story this week in the Mirror that makes a case for Quebec joining the Atlantic time zone.
    • Official time is four hours behind Greenwich Mean Time, one hour ahead of Atlantic Standard Time.

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