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Preah Sihanouk, Cambodia

Preah Sihanouk keeps Indochina Time, UTC+7, without daylight saving time. Sihanoukville, the coast, and the province’s islands therefore share one unchanging official offset from Coordinated Universal Time.

Sihanoukville, Cambodia

Saturday, 5 September 2026

UTC+7 · Asia/Phnom_Penh

Time and sun data for Sihanoukville — the largest city of Preah Sihanouk

The sun in Sihanoukville

Sunrise 5:57 AM Solar noon 12:06 PM Sunset 6:15 PM Daylight 12 h 17 min Night 11 h 43 min Civil twilight 5:36 AM – 6:36 PM

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Current time in Preah Sihanouk, Cambodia

The clock shown for Preah Sihanouk applies in Sihanoukville, Prey Nob, and communities on the province’s inhabited islands. Boat travel may make destinations feel remote, but it does not carry passengers into another time zone.

UTC+7 means that seven hours are added to UTC to obtain local time. When converting back to UTC, subtract seven hours and review the date. An appointment shortly after midnight in Preah Sihanouk belongs to the previous UTC calendar day. The island may run on holiday mood, but the ferry still runs on a clock.

Coastal schedules and a fixed time zone

Cambodia does not make seasonal clock changes. This gives hotels, ports, tour operators, and travellers a consistent local reference throughout the year. Nevertheless, a departure time should always be confirmed with its operator because schedules can change for reasons unrelated to the time zone.

Read local transport times as Indochina Time unless the operator states otherwise. Use the same clock for Sihanoukville and the offshore islands. Check both date and time when coordinating an international arrival.

Allow for boarding deadlines and transfers before the published departure. Verify weather-sensitive sea travel directly with the provider. International callers should remember that Preah Sihanouk stays on UTC+7 while some overseas regions move their clocks. A recurring call can shift by an hour for the foreign participant even though nothing changes on the Cambodian calendar.

Sihanoukville, Prey Nob, islands, and sunrise

Sihanoukville is the provincial capital and principal urban centre. Prey Nob is a significant mainland locality, while island communities add a maritime dimension to the province. Their civil time is identical, but sunrise and sunset calculations are location-specific.

Along the coast, an open view can make the changing light especially noticeable. The precise sunrise time moves through the year and varies slightly with position. Hills, headlands, buildings, islands on the horizon, and cloud can affect when direct sunlight becomes visible.

A listed sunrise is an astronomical reference rather than a guarantee of clear sun. Check the entry for the intended beach, town, or nearest available coordinate. Dawn begins beforehand, while safe conditions for boats, roads, or swimming depend on weather and local guidance as well as daylight.

Questions and answers

Is island time different from Sihanoukville time?
No. The islands and mainland of Preah Sihanouk use the same UTC+7 civil time.
Does Preah Sihanouk have daylight saving time?
No. Its clocks remain on Indochina Time throughout the year.
Can the listed sunrise differ between the coast and an island?
Yes. Their positions and horizons differ, so calculated or visible sunrise may not be identical.
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