Atlantic Standard Time (AST) is an eastern time zone in North America. It is used in the northeast of Canada. It covers all or parts of four provinces in Canada, and although not used in mainland United States, the US territories Puerto Rico and the US Virgin Islands use the time zone.

The Atlantic Time Zone is a geographical region that keeps standard time—called Atlantic Standard Time (AST)—by subtracting four hours from Coordinated Universal Time , resulting in UTC−04:00. AST is observed in parts of North America including several Caribbean islands.

4 days ago · Exact time now, time zone, time difference, sunrise/sunset time and key facts for Atlantic Standard Time (AST).

Mar 29, 2025 · What time is it AST? Check exact current time and discover the key facts about Atlantic Standard Time

Mar 28, 2025 · The Atlantic Time Zone or Atlantic Standard Time (AST) stands for time, which is four hours behind the Greenwich Mean Time (UTC/GMT -4). This zone is based on the mean solar time of the 60th meridian west of the Greenwich Observatory.

5 days ago · Atlantic Standard Time (AST) is 4 hours behind Coordinated Universal Time (UTC-4). It is used in some, but not all, American regions along the Atlantic. These include the Atlantic provinces of Canada and large parts of the eastern Caribbean.

Atlantic Standard Time or AST has a UTC offset of - 4:00. This means that the time zone is 4 hours behind Coordinated Universal Time. The time zone is primarily observed by areas of North America, and the Caribbean during the winter months when Daylight Saving is inactive.

The Atlantic Standard Time Zone (AST) is a geographic region that keeps time by subtracting four hours from Greenwich Mean Time (GMT), resulting in GMT-4 (UTC-4). The clock time in this zone is based on the mean solar time of the 60th degree meridian west of the Greenwich Observatory.

Atlantic Standard Time is 4 hours behind Coordinated Universal Time (UTC). Atlantic Daylight Time is 3 hours behind UTC. What Is Atlantic Time? Atlantic Time (AT) is an eastern time zone in North America. It is used in the northeast of Canada and the US territories Puerto Rico and the US Virgin Islands.

Mar 23, 2025 · The current time is Sunday, Mar 23, 2025, 16:14:18. Offset from UTC: -0400 Atlantic Standard Time is 4 hours earlier than UTC, which is the international baseline that other time zones are compared to (also known as GMT).