Antigua and Barbuda · AST
Mon, 14 Sept 2026
Timezone Guide
St. John's, Antigua and Barbuda runs on UTC−4. This time zone stays fixed year-round at UTC−4 — daylight saving time is not observed. St. John's and New York currently share the same clock. Standard 9-to-6 working hours overlap for about 9 hours a day with New York. A good time to connect: 09:00–18:00 in St. John's lines up with 09:00–18:00 in New York. There is a 5-hour difference between St. John's and London. Standard 9-to-6 working hours overlap for about 4 hours a day with London. A good time to connect: 09:00–13:00 in St. John's lines up with 14:00–18:00 in London. There is a 13-hour difference between St. John's and Tokyo. Standard working hours don't overlap at all with Tokyo, so meetings need an early or late slot on one side. This timezone is also shared with cities such as Toronto, Caracas, Havana. Keeping these offsets in mind makes it easier to schedule calls or travel to and from St. John's.
Practical Info
St. John's (Antigua and Barbuda) is home to roughly 22K people. Today brings about 13.1 hours of daylight: sunrise at 05:36, sunset at 18:42. This time zone stays fixed year-round at UTC−4 — daylight saving time is not observed. It sits in the Northern Hemisphere, about 17° north of the equator. Traffic drives on the left.
Flag
Antigua and Barbuda
Capital
St. John's 👑
Continent
North America
Time Zone
AST · America/Antigua
Coordinates
17.12°N, 61.85°W
Currency
XCD ($)
Calling Code
+1
Driving Side
Left
Hemisphere
Northern
Language
English
Measurement System
Metric
Did You Know?
Antigua claims 365 beaches, one for each day, on an island of about 280 square kilometres. Nelson's Dockyard, the only working Georgian naval dockyard in the world, is a UNESCO site.
The clock: St. John's keeps UTC−4. Antigua Sailing Week, held since 1967, is one of the oldest regattas in the Caribbean.
Annual Daylight
Working Hours
2h overlap