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| Definition | : | Atlantic Standard Time |
| Category | : | Regional » Time Zones |
| Country/ Region |
: | Worldwide
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| Popularity | : |
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| Type | : |
Initialism
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Atlantic Standard Time (AST) is a time zone that is four hours behind Coordinated Universal Time (UTC-4).
AST is a time zone observed in parts of eastern Canada and the United States, specifically in the Atlantic Time Zone.
Note:
During Daylight Saving Time (DST), these regions switch to Atlantic Daylight Time (ADT), which is UTC-3. The transition to daylight saving time usually occurs on the second Sunday in March and ends on the first Sunday in November.
The full form of AST is Atlantic Standard Time
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