AST — Atlantic Standard Time — Current Time
UTC-4 · Americas · Standard Time
Current AST time
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Atlantic Standard Time · UTC-4
Timezone Details
- Full Name
- Atlantic Standard Time
- UTC Offset
- UTC-4
- Type
- Standard Time
- IANA Timezone
- America/Halifax
- Region
- Americas
Observed In
- Canada
- Caribbean islands
About AST
Atlantic Standard Time (AST) is UTC−4, used in Atlantic Canada (Nova Scotia, New Brunswick, PEI, Labrador) and several Caribbean islands during standard time.
Convert AST Time
Frequently Asked Questions about AST
AST stands for Atlantic Standard Time. It is UTC-4 (-4 hours from UTC). Atlantic Standard Time (AST) is UTC−4, used in Atlantic Canada (Nova Scotia, New Brunswick, PEI, Labrador) and several Caribbean islands during standard time.
AST (Atlantic Standard Time) is observed in: Canada, Caribbean islands.
Yes. AST (Atlantic Standard Time) is UTC-4, which means it is 4 hours behind Coordinated Universal Time (UTC).
AST (Atlantic Standard Time) is a standard time zone and does not directly observe Daylight Saving Time. Regions that observe DST switch to a different abbreviation during summer months.
The primary IANA (Internet Assigned Numbers Authority) timezone identifier for AST is "America/Halifax". IANA identifiers are used by computers and operating systems for precise timezone handling, including DST rules.
View the full Timezone Abbreviations Reference for all abbreviations organised by region.