| Time in Saint Lucia | |
|---|---|
| Time zone | Atlantic Standard Time |
| Initials | AST |
| UTC offset | UTC−4 |
| Daylight saving time | |
| DST not observed | |
| tz database | |
| America/Port_of_Spain | |
Saint Lucia observes Atlantic Standard Time (UTC−4) year-round.[1]
In the IANA time zone database, Saint Lucia is given one zone in the file zone.tab—America/Port_of_Spain, which is synonymous with the zone for time in Trinidad and Tobago. Kitts and Nevis and Saint Vincent and the Grenadines also share America/Port_of_Spain. Data for America/Port_of_Spain directly from zone.tab of the IANA time zone database; columns marked with * are the columns from zone.tab itself:[2]
| c.c.* | coordinates* | TZ* | Comments | UTC offset | DST |
|---|---|---|---|---|---|
| TT | +1039−06131 | America/Port_of_Spain | −04:00 | −04:00 |