Saint Lucia is an island nation located in the eastern Caribbean Sea, part of the Lesser Antilles island chain. The country operates on Atlantic Standard Time (AST) and uses one single time zone across the entire island.
Saint Lucia does not observe daylight saving time, meaning the time remains the same throughout the year.
The capital city Castries serves as the main reference for the country’s official time.
Current Time
Saint Lucia follows Atlantic Standard Time (AST).
- Time Zone: Atlantic Standard Time (AST)
- UTC Offset: UTC −4
- IANA Time Zone: America/St_Lucia
Quick Facts
- Capital: Castries
- Continent/Region: Caribbean (North America)
- Time Zone: Atlantic Standard Time (AST)
- UTC Offset: UTC −4
- IANA Time Zone: America/St_Lucia
- International Dialing Code: +1-758
- Currency: East Caribbean Dollar (XCD)
Time Difference From
- Sydney: Saint Lucia is 15 hours behind Sydney
- London: Saint Lucia is 4 hours behind London
- New York: Saint Lucia is 1 hour ahead of New York during standard time
- Tokyo: Saint Lucia is 13 hours behind Tokyo
Daylight Saving Time
Saint Lucia does not observe Daylight Saving Time (DST).
The country remains on UTC−4 throughout the year, and clocks do not change during summer or winter.
Best Time to Call
- 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: 8:00 AM – 4:00 PM New York time
Typical working hours in Saint Lucia are 9:00 AM – 5:00 PM local time.
Frequently Asked Questions
What time zone does Saint Lucia use?
Saint Lucia uses Atlantic Standard Time (AST), UTC−4.
Does Saint Lucia observe daylight saving time?
No. Saint Lucia keeps the same time throughout the year.
Does Saint Lucia have multiple time zones?
No. The entire country uses one time zone.
What is the IANA time zone for Saint Lucia?
The official time zone identifier is America/St_Lucia.
Where Is Located
Saint Lucia is located in the eastern Caribbean Sea, between Martinique to the north and Saint Vincent and the Grenadines to the south.
What Is Famous For
Saint Lucia is famous for:
- The iconic Pitons, twin volcanic peaks and UNESCO World Heritage Site
- Beautiful Caribbean beaches and clear waters
- Luxury resorts and honeymoon destinations
- Lush rainforests and waterfalls
- Vibrant Caribbean culture and festivals
Additional Note
Saint Lucia maintains a simple time system with one national time zone and no daylight saving time adjustments, making time coordination easy for international travel and communication.



