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Halifax Time Zone — ADT (UTC-03:00)

Halifax, Canada runs on Atlantic Standard Time at UTC-03:00. It is currently observing daylight saving time (UTC-03:00), and will return to standard time (UTC-04:00) on Sun, Nov 1, 2026. Convert Halifax time to any city below, or use the full converter.

Current UTC offset
UTC-03:00
IANA zone
America/Halifax
Daylight saving
Observed — clocks currently forward
Zone abbreviation
ADT / AST

About the ADT time zone

Atlantic Standard Time (AST) covers Canada's Atlantic provinces (Nova Scotia, New Brunswick, Prince Edward Island, and most of Labrador), as well as several Caribbean nations. Puerto Rico and the US Virgin Islands use AST year-round without daylight saving time. The Canadian provinces switch to Atlantic Daylight Time (ADT) in summer.

Countries on ADT
Canada (Atlantic provinces)Puerto RicoUS Virgin IslandsDominican RepublicVenezuelaBoliviaBarbadosTrinidad and Tobago
Major cities on ADT
HalifaxSan JuanSanto DomingoCaracasLa PazFrederictonCharlottetown
Did you know?
  • Halifax harbors the second largest natural ice-free harbor in the world.
  • The city played a major role in the Titanic disaster recovery in 1912.
  • Atlantic Time is 1 hour ahead of Eastern Time, the earliest timezone on mainland Canada.

Convert Halifax time to another city

Convert another city's time to Halifax

Convert Halifax time to a time zone abbreviation

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Everything else on ADT

Learn more about time zones