Skip to content
Open the map

America/Port_of_Spain

America/Port_of_Spain is the IANA time zone for Trinidad and Tobago.

UTC−04:00

Tue, Sep 29 UTC−4 AST

Offsets and daylight saving time

Standard offset
UTC−04:00
Rule
No daylight saving time: UTC−4 all year.

No clock changes are scheduled in the next three years.

Names

Generic name
Atlantic Standard Time
Abbreviation
AST
Long name
Atlantic Standard Time

In the tz database, America/Port_of_Spain is a link (alias) to America/Puerto_Rico: the two always show the same time.

Use it in code

// JavaScript
new Intl.DateTimeFormat('en-US', { timeZone: 'America/Port_of_Spain' })

# Python
from zoneinfo import ZoneInfo
ZoneInfo('America/Port_of_Spain')

-- PostgreSQL
SELECT now() AT TIME ZONE 'America/Port_of_Spain';

Cities in America/Port_of_Spain

Also in this zone: San Fernando, Rio Claro, Arima, Diego Martin, Laventille, Point Fortin, Tunapuna, Scarborough, Sangre Grande.

Offset history since 1970

  • 1970–2026: UTC−4

Open in the map →