Saint Kitts and Nevis observes Atlantic Standard Time (UTC−4) year-round.
[1] In the IANA time zone database, Saint Kitts and Nevis 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.
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]
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