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Outer Islands, Seychelles

Outer Islands follows Seychelles Time, four hours ahead of UTC throughout the year. Seychelles does not observe daylight saving time, although local sunrise and sunset times vary by island, season, and position across this widely scattered region.

Silhouette Island, Seychelles

Saturday, 5 September 2026

UTC+4 · Indian/Mahe

Time and sun data for Silhouette Island — the largest city of Outer Islands

The sun in Silhouette Island

Sunrise 6:18 AM Solar noon 12:19 PM Sunset 6:20 PM Daylight 12 h 02 min Night 11 h 58 min Civil twilight 5:57 AM – 6:41 PM

Seychelles · 4 cities

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Current time in Outer Islands, Seychelles

The clock in Outer Islands uses the same civil time as the rest of Seychelles. The time-zone abbreviation is SCT, and its offset is UTC+4. When Coordinated Universal Time is noon, the local clock reads 4 p.m.

There is no seasonal clock change to remember. This makes time conversion straightforward: add four hours to UTC, or compare UTC+4 directly with the other location. The calendar date can differ when it is late evening elsewhere, so international callers should check both the hour and the day. One region, one clock, many islands: the timetable is simpler than the map.

Islands, settlements, and local time

Outer Islands is a regional grouping rather than a single compact city. It covers remote island groups beyond the main granitic islands of Seychelles. Distances are substantial, but every inhabited or visited island in the region keeps the national time.

A conventional list of “largest cities” is not especially useful here because the Outer Islands have small settlements, working bases, and resort facilities rather than a network of large urban centres. Places commonly associated with activity in the region include:

Coëtivy, which has a settlement and operational facilities; Desroches, known for accommodation and an airstrip; Alphonse, where tourism and island operations are based; Assumption and Astove, both remote islands with limited facilities;

Aldabra, a protected atoll reached under controlled conditions. Because all these places share SCT, travel within Seychelles never requires resetting a watch. Transport schedules may still depend on weather, sea conditions, aircraft operations, and local arrangements.

Sunrise across the Outer Islands

Sunrise is not simultaneous across the entire region. Islands farther east see the Sun earlier by the clock than islands farther west. The difference comes from longitude, while seasonal changes in the Sun’s path also alter the exact time.

For a useful sunrise value, select the particular island rather than relying on a regional figure. A forecast for Desroches, for example, should not be treated as the precise result for Aldabra. Local terrain is generally less influential than location and horizon conditions, although clouds can determine when daylight becomes visible in practice.

Confirm the island or atoll. Use its local date, especially near midnight. Read the result in UTC+4. Check weather separately if visibility matters.

Questions and answers

What time zone does Outer Islands use?
It uses Seychelles Time, abbreviated SCT, with an offset of UTC+4.
Does Outer Islands change its clocks?
No. Daylight saving time is not observed in Seychelles.
Is one sunrise time accurate for every Outer Island?
No. The region spans many longitudes, so the island must be specified for a precise sunrise time.
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