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5:19:33pm
Total Solar Eclipse· 60d 17h 26m 27s
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ATTime Now
Atlantic TimeUTC-3
Umbrella
Currently ADT. AT means Atlantic Time: it maps to AST during standard time and ADT during daylight saving time.
Need the exact abbreviation page? Visit AST or ADT.
Representative IANA (this page): this umbrella label covers many regions, so exact DST change dates and times vary by location. For a full, per-zone list of transition times, use Upcoming DST.
12h|24h
CURRENT TIME
09:19:33pm
June 12, 2026
UTC TIME NOW
12:19:33am
Saturday, Jun 13
UTC+0
12h|24h
UTC Offset
UTC-3
DST Statusⓘ
Standard Time (mixed)
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
29
Major Cities Using AT
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-3
Some time zones exist that have the same offset as AT, but can be found under a different name:
Countries Using AT
Map of Time Zones Using AT
IANA Time Zone Identifiers
America/Halifax
America/Glace_Bay
America/Goose_Bay
America/Moncton
America/Thule
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
Atlantic/Bermuda
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