Antigua and Barbuda is a Caribbean nation consisting of two main islands, Antigua and Barbuda, along with several smaller islands.
The country operates on Atlantic Standard Time (AST) and uses one single time zone across the entire country. Antigua and Barbuda does not observe daylight saving time, meaning the time remains the same throughout the year.
The capital city St. John’s, located on the island of Antigua, serves as the main reference for the country’s official time.
Current Time
- Antigua and Barbuda follows Atlantic Standard Time (AST).
- Time Zone: Atlantic Standard Time (AST)
- UTC Offset: UTC −4
- IANA Time Zone: America/Antigua
Quick Facts
- Capital: St. John’s
- Continent/Region: Caribbean (North America)
- Time Zone: Atlantic Standard Time (AST)
- UTC Offset: UTC −4
- IANA Time Zone: America/Antigua
- International Dialing Code: +1-268
- Currency: East Caribbean Dollar (XCD)
Time Difference From
Common time differences between Antigua and Barbuda and major cities:
- Sydney: Antigua and Barbuda is 15 hours behind Sydney
- London: Antigua and Barbuda is 4 hours behind London
- New York: Antigua and Barbuda is the same time as New York during daylight saving time
- Tokyo: Antigua and Barbuda is 13 hours behind Tokyo
Daylight Saving Time
Antigua and Barbuda does not observe Daylight Saving Time (DST).
The country stays on UTC−4 throughout the year, and clocks do not change between seasons.
Best Time to Call
Recommended calling windows:
- From Australia: 9:00 PM – 12:00 PM (next day) Sydney time
- From United Kingdom: 1:00 PM – 9:00 PM London time
- From United States: 9:00 AM – 5:00 PM New York time
Typical business hours in Antigua and Barbuda are 9:00 AM – 5:00 PM local time.
Frequently Asked Questions
What time zone does Antigua and Barbuda use?
Antigua and Barbuda uses Atlantic Standard Time (AST), UTC−4.
Does Antigua and Barbuda have multiple time zones?
No. The entire country uses one time zone.
Does Antigua and Barbuda observe daylight saving time?
No. The country keeps the same time all year.
What is the IANA time zone for Antigua and Barbuda?
The official time zone identifier is America/Antigua.
Where Is Located
Antigua and Barbuda is located in the Caribbean Sea, part of the Lesser Antilles in the eastern Caribbean. It lies between the Caribbean Sea and the Atlantic Ocean, southeast of Puerto Rico and north of Guadeloupe.
What Is Famous For
Antigua and Barbuda is famous for:
- Its 365 beaches, one for every day of the year
- Beautiful Caribbean resorts and sailing events
- Antigua Sailing Week, a world-famous sailing competition
- Historic sites like Nelson’s Dockyard, a UNESCO World Heritage Site
- Crystal-clear waters and coral reefs
Additional Note
Antigua and Barbuda maintains a simple time system with one time zone and no daylight saving time, making international scheduling straightforward throughout the year.
