Atlantic Standard Time (AST) is a time zone that is used in parts of Canada and the United States. It is 4 hours behind Coordinated Universal Time (UTC) and does not observe Daylight Saving Time. AST is also known as Atlantic Time.
The countries that use the Atlantic Standard Time zone include the Canadian provinces of New Brunswick, Nova Scotia, and Prince Edward Island and the United States states of Florida, Georgia, and South Carolina. These areas are located in the eastern part of North America, along the Atlantic Ocean. The largest cities in this time zone include Jacksonville, Florida, and Savannah, Georgia.
During the summer months, many areas in the Atlantic Standard Time zone observe Daylight Saving Time, which is also known as Atlantic Daylight Time (ADT). During this time, the clock is set ahead by one hour, and the time becomes 3 hours behind Coordinated Universal Time (UTC).
The Atlantic Standard Time zone is also used in some parts of the Caribbean, including the islands of Dominica, Grenada, St. Vincent and the Grenadines. These islands are located in the eastern Caribbean Sea, near the coast of South America.
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