24TimeZones.com Time zone abbreviations Atlantic Time

Atlantic Time

Atlantic Time

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Wednesday, January 27, 2021

Atlantic Time (AT) is a term which refers to the local time in areas observing either Atlantic Standard Time (AST) or Atlantic Daylight Time (ADT).

What time is it Atlantic Time?

Atlantic Time Zone GMT/UTC offset

Atlantic Standard Time is 4 hours behind Coordinated Universal Time (UTC).

Atlantic Daylight Time is 3 hours behind UTC.

 

Time zone difference

Time zone Difference
Atlantic Time to Eastern Time 1 hour ahead of Eastern Time
Atlantic Time to Central Time 2 hours ahead of Central Time
Atlantic Time to Mountain Time 3 hours ahead of Mountain Time
Atlantic Time to Pacific Time 4 hours ahead of Pacific Time
 

Abbreviations

Abbreviation Name
AT Atlantic Time
AST Atlantic Standard Time
ADT Atlantic Daylight Time
 

Daylight Saving Time in 2021

DST starts on Sunday 14 March 2021, 02:00 standard time
Move your clock forward 1 hour
DST ends on Sunday 07 November 2021, 02:00 daylight time
Move your clock back 1 hour

 

Iana Timezones where AT is currently observed

America/Anguilla America/Antigua
America/Aruba America/Barbados
America/Blanc-Sablon America/Curacao
America/Dominica America/Glace_Bay
America/Goose_Bay America/Grenada
America/Guadeloupe America/Halifax
America/Kralendijk America/Lower_Princes
America/Marigot America/Martinique
America/Moncton America/Montserrat
America/Port_of_Spain America/Puerto_Rico
America/Santo_Domingo America/St_Barthelemy
America/St_Kitts America/St_Lucia
America/St_Thomas America/St_Vincent
America/Thule America/Tortola
Atlantic/Bermuda
 
 

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