24TimeZones.com Time zone abbreviations AST

Current AST time

Some locations are observed AST while the others are on daylight savings time/summer time. May be you should see Atlantic Time instead.
DST observation ends on Sunday 03 November 2024, 02:00


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What is Atlantic Standard Time

AST timing

AST (Atlantic Standard Time) is one of the well-known names of UTC-4 time zone which is 4h. behind of UTC (Coordinated Universal Time).The time offset from UTC can be written as -04:00.

It's used during the winter. During the summer ADT - Atlantic Daylight Time (UTC-3) is in use.

Some locations use AST all year long.

Time difference to GMT/UTC

4 hours behind (UTC-04)

Other Time Zones which are named AST

Abbreviation Name
AST Arabia Standard Time

Related timezone


Iana Timezones where AST is currently observed

America/Anguilla America/Antigua
America/Aruba America/Barbados
America/Blanc-Sablon America/Curacao
America/Dominica America/Grenada
America/Guadeloupe America/Kralendijk
America/Lower_Princes America/Marigot
America/Martinique America/Montserrat
America/Port_of_Spain America/Puerto_Rico
America/Santo_Domingo America/St_Barthelemy
America/St_Kitts America/St_Lucia
America/St_Thomas America/St_Vincent

Other Time Zones in UTC-04

Abbreviation Name
AMT Amazon Time
BOT Bolivia Time
CDT Cuba Daylight Time
CLT Chile Standard Time
COST Colombia Summer Time
EDT Eastern Daylight Time
FKT Falkland Islands Time
GYT Guyana Time
PYT Paraguay Time
VET Venezuelan Standard Time

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