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

Daylight Saving Time dates 2015

Sunday 8 March 2015 2am local time
until Sunday 1 November 2015 2am local time
see: daylight saving time for details

USA and Canada Standard Time Date schedules here

Atlantic Time - Canada

AT ~ Atlantic Coast Time

Atlantic Standard Time (AST) = GMT-4

Atlantic Daylight Time (ADT) = GMT-3

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).