AST: Atlantic Time (Canada) = AT
Atlantic Coast Time ~ Atlantic Time Zone
What is the time in Atlantic Time Zone?
Clock showing time in Time Zone: Atlantic Bermuda
USA & Canada clocks are now on
- Daylight saving start: Sunday 12 March 2017 02:00 local time. Clocks go forward one hour.
- Daylight saving end: Sunday 5 November 2017 02:00 local time. Clocks go back one hour.
USA and Canada past and future DST schedules here
Convert to any place in the world
Convert Atlantic Time to GMT
Use the GMT Time converter below to convert between Atlantic Time and GMT locations or enter different locations.
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).