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Kerguelen, French Southern Territories

Kerguelen uses UTC+5 year-round. The archipelago has no city in the usual sense; Port-aux-Français is its principal base, and its subantarctic latitude gives it strongly changing sunrise and daylight times across the seasons.

Port-Aux-Francais, French Southern Territories

Sunday, 18 October 2026

UTC+5 · Indian/Kerguelen

Time and sun data for Port-Aux-Francais — the largest city of Kerguelen

The sun in Port-Aux-Francais

Sunrise 5:15 AM Solar noon 12:05 PM Sunset 6:56 PM Daylight 13 h 40 min Night 10 h 20 min Civil twilight 4:42 AM – 7:29 PM

French Southern Territories · 2 cities

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Current time in Kerguelen, French Southern Territories

Kerguelen time is five hours ahead of UTC. Add five hours to Coordinated Universal Time to obtain the local civil time, remembering that the local date may already be the next day. There is no daylight-saving clock change. This fixed offset is useful for scientific schedules and remote communications. However, a caller in Europe, North America or another place that changes clocks must still recheck the difference after seasonal transitions at their own end.

At Kerguelen, the clock is predictable; the wind has declined to make a similar commitment.

Port-aux-Français and the question of cities

The Kerguelen Islands are a district of the French Southern and Antarctic Lands in the southern Indian Ocean. They lack a permanent civilian population and have no network of cities ranked by size. Port-aux-Français is the main scientific and logistical base.

It is situated on Grande Terre, the archipelago’s principal island. Research, maintenance and administration shape daily life at the base. Other named sites are field locations, geographic features or former facilities, not competing cities.

For practical searches, Port-aux-Français is the best place name to pair with local time, sunrise or weather. Calling it the largest “city” is convenient database language, but “base” or “station” describes it more accurately.

Reading the sunrise calendar

Kerguelen’s position at a high southern latitude produces long summer days and much shorter winter days. Sunrise shifts substantially with the date, so a timeless answer would be misleading. The archipelago also extends over enough distance for minor differences between observation sites.

Use coordinates for Port-aux-Français when planning around the main base. For field camps or remote coastal work, calculate sunrise for the actual site. Terrain can hide the Sun after the formal sunrise, while cloud and precipitation can delay visible brightness without changing the astronomical event.

Twilight is often relevant to outdoor work. Civil sunrise is only one boundary in a gradual transition from darkness to daylight. Anyone coordinating field movement should combine an astronomical table with local safety procedures, forecasts and instructions from station staff.

Questions and answers

Is Kerguelen on UTC+5 all year?
Yes. Kerguelen does not observe daylight saving time.
What is the main city of Kerguelen?
There is no conventional city. Port-aux-Français is the archipelago’s principal research and logistics base.
When does the Sun rise in Kerguelen?
The answer depends on the date and exact location. Summer and winter daylight differ greatly, so use a dated calculation for Port-aux-Français or the relevant field site.
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