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AST Time Now
Atlantic Standard Time|UTC-4
CURRENT TIME
November 7, 2026
UTC TIME NOW
03:09:47am
Sunday, Nov 8
UTC+0
12h|24h
DST Statusⓘ
Standard Time (mixed)
Observes DST:
Canada(America/Glace_Bay, America/Goose_Bay, America/Halifax, America/Moncton), Greenland(America/Thule) Does not observe DST:
Anguilla(America/Anguilla), Antigua and Barbuda(America/Antigua), Aruba(America/Aruba), Barbados(America/Barbados), BQ(America/Kralendijk), Canada(America/Blanc-Sablon), CW(America/Curacao), Dominica(America/Dominica), Dominican Republic(America/Santo_Domingo), Grenada(America/Grenada), Guadeloupe(America/Guadeloupe), Martinique(America/Martinique), Montserrat(America/Montserrat), Puerto Rico(America/Puerto_Rico), Saint Barthélemy(America/St_Barthelemy), Saint Kitts and Nevis(America/St_Kitts), Saint Lucia(America/St_Lucia), Saint Martin(America/Marigot), Saint Vincent and the Grenadines(America/St_Vincent), Sint Maarten(America/Lower_Princes), Trinidad and Tobago(America/Port_of_Spain), Virgin Islands(America/Tortola), Virgin Islands, U.S.(America/St_Thomas) Where and When is AST Observed?
North America
North America countries using AST all year:
Places on AST
All year: Santo Domingo, Santiago de los Caballeros (Dominican Republic); San Juan (Puerto Rico); Willemstad, Jan Thiel (CW); Bridgetown, Holetown (Barbados); Fort-de-France (Martinique); Chaguanas, Port of Spain (Trinidad and Tobago); Les Abymes, Basse-Terre (Guadeloupe); Saint Croix, Charlotte Amalie (Virgin Islands, U.S.); Oranjestad (Aruba); Kingstown (Saint Vincent and the Grenadines); Gros Islet, Castries (Saint Lucia); Saint John’s, St. John's (Antigua and Barbuda); Roseau, Soufrière (Dominica); Basseterre (Saint Kitts and Nevis); Kralendijk (BQ); Road Town (Virgin Islands); Saint George's, St. George's (Grenada); Gustavia (Saint Barthélemy); Marigot (Saint Martin); The Valley (Anguilla); Philipsburg (Sint Maarten); Plymouth (Montserrat)
With daylight saving time: Halifax, Sydney (Canada)
Other Time Zones in UTC-4
Some time zones exist that have the same offset as AST, but can be found under a different name:
Map Showing UTC Offset for AST
Map loads in the live app.
IANA Time Zone Identifiers
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
America/Tortola
America/Glace_Bay
America/Goose_Bay
America/Halifax
America/Moncton
America/Thule
