Time in Saint Lucia

Saint Lucia observes Atlantic Standard Time (UTC−4) year-round.^[1]

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

IANA time zone database

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