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Barima-Waini, Guyana

Barima-Waini follows Guyana Time, UTC−4, throughout the year. The region does not observe daylight saving time, so its offset remains stable, while sunrise varies by date and by the coordinates of each settlement.

Mabaruma, Guyana

Friday, 4 September 2026

UTC−4 · America/Guyana

Time and sun data for Mabaruma — the largest city of Barima-Waini

The sun in Mabaruma

Sunrise 05:52 Solar noon 12:00 Sunset 18:07 Daylight 12 h 15 min Night 11 h 45 min Civil twilight 05:31 – 18:28

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Current time in Barima-Waini, Guyana

The local clock is four hours behind UTC. To convert a UTC timestamp to Barima-Waini time, subtract four hours and check whether that subtraction moves the local date to the previous day. The region keeps the same offset year-round. International differences may nevertheless change when another country enters or leaves daylight saving time, making it safer to compare complete locations instead of memorising a permanent difference.

Time zone: Guyana Time UTC offset: UTC−4 Daylight saving time: not observed Same civil time as the rest of Guyana: yes Barima-Waini never changes its clocks for summer; the weather was not consulted about the terminology.

Mabaruma and communities of Region One

Barima-Waini is Guyana’s Region One, extending across the country’s northwest. Mabaruma is the regional capital and the main administrative reference. The region includes river, coastal, forest, and interior communities, so travel connections are not captured by a simple straight-line map.

Port Kaituma is a major settlement and transport centre. Matthews Ridge is another well-known interior community, historically associated with mining. Morawhanna stands near the Barima River and is also an established place name within the region.

Mabaruma — the regional capital. Port Kaituma — a significant population and transport centre. Matthews Ridge — an interior settlement. Morawhanna — a riverine community. Not every source uses “city” for these settlements, and population ordering may depend on boundaries and data coverage. They all observe Guyana Time, so local clock conversion is identical throughout the region.

Sunrise in northwestern Guyana

Sunrise information should be requested for a particular community. Mabaruma, Port Kaituma, and Matthews Ridge share UTC−4, but they do not occupy the same coordinates. Their solar events can therefore fall at slightly different clock times.

Daylight length and the timing of sunrise change with the date. Barima-Waini is relatively close to the equator, which limits the extreme seasonal contrast found at high latitudes, but daily values are not fixed.

Astronomical sunrise assumes a defined horizon. Forest, hills, buildings, cloud, and mist influence the moment direct sunlight becomes visible to an observer. For river travel, overland departure, or photography, consult the appropriate locality and date, then allow for weather and the practical light conditions at the site.

Questions and answers

How far behind UTC is Barima-Waini?
It is four hours behind UTC, using UTC−4.
Does Mabaruma change clocks during the year?
No. Mabaruma remains on Guyana Time without daylight-saving changes.
Is one sunrise value accurate for the whole region?
No. It may be a useful guide, but precise sunrise depends on the selected settlement and date.
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