Atlantic Time (Canada) - AST and ADT

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).