Borough of Arima, Trinidad And Tobago
Borough of Arima uses Atlantic Standard Time, four hours behind UTC. It shares this year-round clock with Trinidad and Tobago, while sunrise and sunset shift gradually with the date and chosen point within the borough.
Arima, Trinidad And Tobago
Monday, 2 November 2026
UTC−4 · America/Port_of_Spain
Time and sun data for Arima — the largest city of Borough of Arima
The sun in Arima
Sunrise 5:58 AM Solar noon 11:50 AM Sunset 5:42 PM Daylight 11 h 44 min Night 12 h 16 min Civil twilight 5:36 AM – 6:04 PM
Trinidad And Tobago · 2 cities
Largest cities
- Arima 35 000
All cities
Current time in Borough of Arima, Trinidad And Tobago
Arima follows the America/Port_of_Spain time-zone identifier. Its offset is UTC−4, commonly described locally as Atlantic Standard Time. The borough does not currently advance its clocks for daylight saving time.
The fixed local rule does not guarantee a fixed difference from New York, London or another overseas city. Those places may alter their clocks seasonally, making the international gap change even while Arima’s clocks continue normally.
Arima leaves its clocks alone all year; overseas calendars are welcome to create their own complications.
Arima as a compact urban borough
The Borough of Arima is centred on the town of Arima in eastern Trinidad. Unlike a large region containing several separate cities, it is best understood as one urban borough with neighbourhoods and nearby communities. Arima itself is therefore the clearest locality to use for time and daylight searches.
Residents travelling between parts of the borough never cross a time-zone boundary. The same is true when continuing into neighbouring areas of Trinidad. Place selection becomes relevant for weather and horizon calculations, not for changing the clock.
Select Arima for the borough’s current local time. Use America/Port_of_Spain in calendar software. Keep UTC−4 when making a manual conversion. Check the destination’s seasonal rules before confirming an overseas call.
Sunrise and sunset in Arima
Sunrise varies during the year because the Sun’s apparent path changes with the seasons. The borough’s tropical position keeps day length within a narrower range than at high northern or southern latitudes, but it does not make sunrise constant.
A published sunrise is calculated for a geographic point and a standard horizon. Hills, buildings, trees and clouds may determine when direct sunlight becomes visible from a particular street. Civil dawn begins before sunrise and often gives a better indication of when natural outdoor light becomes useful.
For exercise, commuting or photography, consult the daily result rather than reusing yesterday’s value indefinitely. For appointments, use Atlantic Standard Time and an explicit date. Sunrise is a helpful description of the day, not a replacement for the official clock.
Questions and answers
- What time zone is the Borough of Arima in?
- It is in the America/Port_of_Spain zone, which uses UTC−4.
- Does Arima use daylight saving time?
- No. Its clocks do not currently change seasonally.
- Is Arima’s time different from Port of Spain?
- No. Both places follow the same national time-zone rule.