Also known as: ADST – Atlantic Daylight Saving Time, AST – Atlantic Summer Time
Currently observing ADT.
Areas with same time currently (UTC -3).
Currently observing ADT – Atlantic Daylight Time.
Currently has same time zone offset as ADT (UTC -3) but different time zone name.
Atlantic Daylight Time (ADT) is 3 hours behind Coordinated Universal Time. This time zone is a Daylight Saving Time time zone and is used in: North America, Atlantic.
This time zone is often called ADT Time Zone.
Email time zone indicator: -0300
An email sent from someone in the Atlantic Daylight Time (ADT) time zone will have the time zone listed as "-0300" in the headers of the email. (However, "-0300" does not have to be in Atlantic Daylight Time, as other time zones could have the same UTC offset).
Where and when is ADT observed?
- Most of Labrador (mainland part of the province of Newfoundland and Labrador)
- New Brunswick
- Nova Scotia
- Prince Edward Island