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French Guiana 00, French Guiana

French Guiana 00 follows French Guiana Time, UTC−3 throughout the year. It does not use seasonal clock changes. Cayenne and the territory’s other communities share this time, while sunrise depends on the selected location and date.

Résidence Cogneau-Larivot, French Guiana

03:05:23

Friday, 4 September 2026

UTC−3 · America/Cayenne

Time and sun data for Résidence Cogneau-Larivot — the largest city of French Guiana 00

The sun in Résidence Cogneau-Larivot

Sunrise 06:24 Solar noon 12:30 Sunset 18:36 Daylight 12 h 12 min Night 11 h 48 min Civil twilight 06:03 – 18:57

French Guiana · 144 cities

Largest cities

Résidence Cogneau-Larivot 2 730
Résidence Arc-en-Ciel 2 000

All cities

Current time in French Guiana 00, French Guiana

The label “French Guiana 00” functions as a regional directory name rather than a separate everyday time zone. Locations listed under it use the America/Cayenne zone. The offset remains three hours behind Coordinated Universal Time throughout the year.

With no daylight-saving change, local clock conversion is comparatively direct: subtract three hours from UTC. Care is still needed around midnight, because the local calendar date may be the previous day when it is already a new day in UTC or in Europe.

French Guiana is an overseas territory of France, but it does not share mainland France’s local time. A call arranged according to “French time” is therefore ambiguous unless the speaker identifies Cayenne or Paris. The difference between those places also changes when mainland France moves its clocks.

Places represented by the regional label

Cayenne is the capital and central reference point for local time. Other major population centres and communes include Saint-Laurent-du-Maroni, Matoury, Kourou, and Remire-Montjoly. Every one of them observes UTC−3, so travelling within French Guiana requires no clock adjustment.

Use Cayenne as the standard local-time reference. Use Saint-Laurent-du-Maroni for sunrise calculations in the west. Select Kourou when planning locally on the central coast. Choose the exact commune rather than the regional label for solar events.

East-west separation creates small differences in solar timing even under a common clock. Local surroundings matter too: vegetation, buildings, terrain, and cloud can delay the first visible beam without altering the calculated sunrise.

Equatorial daylight and sunrise

French Guiana lies close to the equator, so the annual change in daylight is less dramatic than in mainland France. That does not make sunrise identical every day. The time still shifts through the year, and it is not exactly the same in Cayenne, Kourou, and western communities.

Dawn begins before the listed sunrise. For driving, fieldwork, boating, or photography, this period of increasing light may be as relevant as sunrise itself. Weather can make a bright dawn seem dim, while an open coastal horizon can reveal the Sun close to the calculated time.

The clock ignores the seasons here, but the sky keeps making small edits. Because the time zone does not change, an abrupt seasonal one-hour jump in a comparison with Europe comes from Europe’s clock change, not from French Guiana. Date-specific conversion avoids mistaking that external change for a local one.

Questions and answers

What is the UTC offset in French Guiana 00?: The offset is UTC−3 throughout the year.
Does French Guiana use daylight saving time?: No. Local clocks remain on the same offset in every season.
Is Cayenne on the same time as Paris?: No. Cayenne uses UTC−3, while Paris alternates between UTC+1 and UTC+2.