All of St. Lucia keeps one time, UTC−4, all year round.
St. Lucia at a glance
| Capital | Castries |
|---|---|
| UTC offsets | UTC−4 |
| IANA time zones | 1 |
| Daylight saving time | Not observed |
| Abbreviations in use | AST |
Which time zone St. Lucia uses
St. Lucia uses a single IANA time zone, America/St_Lucia.
| Time zone | Time now | UTC offset | Daylight saving time | Main cities |
|---|---|---|---|---|
| America/St_Lucia | --:-- | UTC−4 | Not observed | Gros Islet, Castries |
Clock changes in St. Lucia
St. Lucia does not use daylight saving time, and the tz database records none since 1970.
Current time in cities in St. Lucia
| City | Region | Time now | Time zone |
|---|---|---|---|
| Gros Islet | Gros-Islet | --:-- | America/St_Lucia |
| Castries | Castries | --:-- | America/St_Lucia |
Time difference between St. Lucia and other countries
A 9:00 AM start in St. Lucia is 1:00 PM in London, 12:00 AM (next day) in Sydney and 5:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 1 h behind | 1 h behind | Same time |
| Los Angeles (United States) | --:-- | 4 h behind | 4 h behind | 3 h behind |
| London (United Kingdom) | --:-- | 4 h ahead | 4 h ahead | 5 h ahead |
| Paris (France) | --:-- | 5 h ahead | 5 h ahead | 6 h ahead |
| Dubai (United Arab Emirates) | --:-- | 8 h ahead | 8 h ahead | 8 h ahead |
| Mumbai (India) | --:-- | 9 h 30 min ahead | 9 h 30 min ahead | 9 h 30 min ahead |
| Singapore | --:-- | 12 h ahead | 12 h ahead | 12 h ahead |
| Tokyo (Japan) | --:-- | 13 h ahead | 13 h ahead | 13 h ahead |
| Sydney (Australia) | --:-- | 15 h ahead | 15 h ahead | 14 h ahead |
| UTC | --:-- | 4 h ahead | 4 h ahead | 4 h ahead |
Daylight across St. Lucia
Days in Castries last between 11 hours 18 minutes and 12 hours 57 minutes over the year.
Countries on the same time as St. Lucia
These countries read the same time as St. Lucia today. Those marked with daylight saving time will drift away when their clocks change.
- Aruba
- Barbados
- Bolivia
- Curaçao
- Dominican Republic
- Grenada
- Guadeloupe
- Guyana
- Martinique
- Puerto Rico
- Trinidad and Tobago
- Venezuela
Plan around the time in St. Lucia
- Convert a time to or from St. Lucia: pick a date and time and see it in every city on your list.
- Add Castries to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in St. Lucia and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
How many time zones does St. Lucia have?
One: America/St_Lucia, at UTC−4 all year.
Does St. Lucia use daylight saving time?
No. The time stays at UTC−4 all year.
What is the time difference between St. Lucia and London?
St. Lucia is 4 hours behind London in January and 5 hours behind London in July, because London moves its clocks for daylight saving time and St. Lucia does not.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.