Atlantic Standard Time (Castries)
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Time in Saint Lucia right now
Saint Lucia keeps one clock all year: Atlantic Standard Time (Castries), UTC-4. Clocks do not change for daylight saving time.
Live clock for Saint Lucia
Local times come from your browser's IANA time zone data.
Saint Lucia time zone at a glance
| Zone | January | July | Daylight saving |
|---|---|---|---|
| Atlantic Standard Time (Castries) | UTC-4 (AST) | UTC-4 (AST) | No |
City clocks in Saint Lucia:
Sunrise and sunset in Saint Lucia through the year
Typical times at each zone's reference point, in that zone's local clock. Year-to-year drift is under a couple of minutes; dates near a daylight saving change can shift the clock reading by an hour.
| Time of year | Sunrise | Sunset | Day length |
|---|---|---|---|
| March equinox (about Mar 20) | 06:07 | 18:14 | 12 h 07 m |
| June solstice (about Jun 21) | 05:37 | 18:34 | 12 h 57 m |
| September equinox (about Sep 22) | 05:53 | 18:00 | 12 h 07 m |
| December solstice (about Dec 21) | 06:23 | 17:41 | 11 h 18 m |
Countries on the same clock as Saint Lucia
Same time as Saint Lucia in both January and July:
- Antigua and Barbuda
- Barbados
- Bolivia
- Dominica
- Dominican Republic
- Grenada
- Guyana
- Saint Kitts and Nevis
- Saint Vincent and the Grenadines
- Trinidad and Tobago
- Venezuela
Aligned for part of the year only, because one side changes clocks for daylight saving:
Common questions about time in Saint Lucia
How many time zones does Saint Lucia use?
Saint Lucia uses a single civil time zone, Atlantic Standard Time (Castries).
Does Saint Lucia observe daylight saving time?
No. Clocks in Saint Lucia stay on the same offset all year.
What is the time difference between Saint Lucia and UTC?
In January: UTC-4. In July: UTC-4. The live cards above show the difference from your own clock right now.
Zone list verified 2026-07. Live times and sun calculations run in your browser from its built-in IANA time zone data and standard NOAA solar equations.