Atlantic: Time

UTC−03:00, used during the spring and summer months.

Puerto Rico, the U.S. Virgin Islands, Bermuda, the Dominican Republic, and several other island nations. atlantic time

is a time zone observed in parts of North America, South America, and the Caribbean. It is defined by two primary offsets from Coordinated Universal Time (UTC): Atlantic Standard Time (AST): UTC−04:00. UTC−03:00, used during the spring and summer months

The time in this zone is determined by the mean solar time of the of the Greenwich Observatory. Geographic Coverage Atlantic Time is primarily used in the following regions: the U.S. Virgin Islands

The provinces of New Brunswick, Nova Scotia, Prince Edward Island, and parts of Newfoundland and Labrador.