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Atlantic Time (Canada) - AST and ADT

Atlantic Coast Time ~ Atlantic Time Zone

Current time and Daylight Saving Time (DST) rules

What is the time in Atlantic Time Zone?

What time zone Atlantic Time?

Atlantic Time is the Atlantic Time Zone of Canada.  Atlantic Standard Time (AST) is 4 hours behind Greenwich Mean Time (GMT-4).

Does Atlantic Time observe Daylight Saving Time?

In most provinces in Canada, Daylight Saving Time (DST) is observed.  During DST the time is shifted forward by 1 hour to ADT, which is 3 hours behind Greenwich Mean Time (GMT-3).

After the Summer months Atlantic Time is shifted back by 1 hour to Atlantic Standard Time (AST) or (GMT-4).

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