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12:28:20pm
Total Solar Eclipse· 5d 22h 17m 40s

AST Time Now

Atlantic Standard TimeUTC-4

CurrentMultiple

AST Has Multiple Meanings

Time zone abbreviations are not globally unique. findtime.io separates each meaning so lookups, offsets, and conversion links route to the right page.

12h|24h
midday

CURRENT TIME

03:28:20pm
August 6, 2026

UTC TIME NOW

07:28:20pm
Thursday, Aug 6
UTC+0
UTC Offset
UTC-4
DST Statusⓘ
Standard Time (mixed)
Observes DST:
Canada(America/Glace_Bay, America/Halifax, America/Moncton)
Does not observe DST:
AG(America/Antigua), AI(America/Anguilla), AW(America/Aruba), Barbados(America/Barbados), BL(America/St_Barthelemy), BQ(America/Kralendijk), Curaçao(America/Curacao), Dominica(America/Dominica), Dominican Republic(America/Santo_Domingo), GD(America/Grenada), GP(America/Guadeloupe), KN(America/St_Kitts), LC(America/St_Lucia), Martinique(America/Martinique), MF(America/Marigot), MS(America/Montserrat), Puerto Rico(America/Puerto_Rico), SX(America/Lower_Princes), Trinidad(America/Port_of_Spain), VC(America/St_Vincent), VG(America/Tortola), VI(America/St_Thomas)
IANA Zones
28

Major Cities Using AST

Santo Domingo
2,201,941
Bridgetown
98,511
Port of Spain
49,031
St. John's
22,000
St. George's
7,500
Jan Thiel
5,000
Soufrière
5,000
Soufrière
3,000
Holetown
2,000
English Harbour
1,000
Santiago de los Caballeros
1,200,000
Halifax
471,559
San Juan
418,140
Willemstad
125,000
Sydney
105,968
Fort-de-France
89,995
Moncton
86,106
Chaguanas
67,433
Les Abymes
53,514
Saint Croix
50,601

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:

AST – Atlantic Standard TimeAMT – Amazon TimeVET – Venezuela TimeEDT – Eastern Daylight Time

Countries Using AST

AGAGAIAIAWAWBarbadosBarbadosBLBLBQBQCanadaCanadaCuraçaoCuraçaoDominicaDominicaDominican RepublicDominican RepublicGDGDGPGPKNKNLCLCMartiniqueMartiniqueMFMFPuerto RicoPuerto RicoSXSXTrinidadTrinidadVCVCVGVGVIVI

Map of Time Zones Using AST

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