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Guadalcanal Province, Solomon Islands

Guadalcanal Province observes Solomon Islands Time at UTC+11 throughout the year. There is no daylight-saving clock change, and all provincial communities use the same national time.

Tandai, Solomon Islands

Friday, 4 September 2026

UTC+11 · Pacific/Guadalcanal

Time and sun data for Tandai — the largest city of Guadalcanal Province

The sun in Tandai

Sunrise 06:23 Solar noon 12:21 Sunset 18:20 Daylight 11 h 57 min Night 12 h 03 min Civil twilight 06:02 – 18:41

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Current time in Guadalcanal Province, Solomon Islands

Local time is found by adding eleven hours to UTC, with care taken over the resulting date. The province is often a calendar day ahead of places in the Americas, depending on the hour of comparison. Honiara lies on Guadalcanal island but is administered separately from Guadalcanal Province. That administrative distinction does not create a time difference: the city and the surrounding province both keep UTC+11. The boundary changes the administration, not the hands on the clock.

Places across Guadalcanal

The province extends beyond the capital city’s separate jurisdiction and includes communities distributed along coasts and inland areas. Naming a precise place improves weather and sunrise searches, although it is unnecessary for determining the legal time.

Reference locations and communities include: Buala is not in Guadalcanal Province; use Guadalcanal place names carefully Marau and communities around Marau Sound Tamboko Avuavu Communities near the provincial areas surrounding Honiara

For a general clock, Honiara can still act as a convenient nearby reference because its civil time matches the province. For a local daylight result, choose the actual coastal or inland position.

Sunrise from coast to interior

Calculated sunrise differs with longitude, latitude, and date. Guadalcanal’s terrain also means that a person behind a ridge may see the Sun later than somebody with an open sea horizon. Both observers can share the same published astronomical sunrise while experiencing direct light differently.

Use an exact location for farming, hiking, photography, or a dawn departure. The sunrise entry should display local UTC+11 time. Civil twilight may be relevant when the aim is usable outdoor light rather than the instant the Sun reaches the horizon.

Choose a point inside the province rather than assuming central Honiara. Enter the intended local date. Separate astronomical sunrise from first visible direct sunlight. Check weather and route conditions independently.

Questions and answers

Is Guadalcanal Province in UTC+11?
Yes. It uses Solomon Islands Time, UTC+11.
Is Honiara part of the province for administrative purposes?
Honiara is a separate capital territory, although it is geographically on Guadalcanal island.
Do Honiara and Guadalcanal Province have different times?
No. Both use the same national time without seasonal clock changes.
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