AST time
UTC offset: UTC-04:00
Region: Multiple regions
Example IANA zones: America/Anguilla, America/Antigua, America/Aruba
AST Time Zone
AST is AST time (UTC-04:00).
Definition
AST is a time-zone abbreviation used in date/time schedules, travel, and software timestamps. Abbreviations can map to different regions and offsets, so they are less precise than IANA time zones.
For accurate conversion, use a specific zone like America/New_York or Europe/London instead of abbreviation-only input.
Offset and DST note
AST is typically a standard-time abbreviation.
Common offsets for AST: UTC-04:00.
Meanings
Convert AST
Related offset pages
Related IANA zones
America/AnguillaAmerica/AntiguaAmerica/ArubaAmerica/BarbadosAmerica/Blanc-SablonAmerica/CuracaoAmerica/DominicaAmerica/Glace_BayAmerica/Goose_BayAmerica/GrenadaAmerica/GuadeloupeAmerica/HalifaxAmerica/KralendijkAmerica/Lower_PrincesAmerica/MarigotAmerica/MartiniqueAmerica/MonctonAmerica/MontserratAmerica/Port_of_SpainAmerica/Puerto_RicoAmerica/Santo_DomingoAmerica/St_BarthelemyAmerica/St_KittsAmerica/St_Lucia
Related abbreviations
Frequently asked questions
What does AST mean?
AST is AST time (UTC-04:00).
Is AST ambiguous?
AST is commonly used for a single primary meaning, but always verify region context.
How do I convert AST to my local time?
Use the Time Zone Converter and select a specific city or IANA zone to avoid abbreviation ambiguity.