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Vientiane Prefecture, Laos

Vientiane Prefecture uses Indochina Time, UTC+7, throughout the year. It includes Vientiane, the capital of Laos, and has no seasonal daylight-saving clock change.

Vientiane, Laos

Friday, 4 September 2026

UTC+7 · Asia/Vientiane

Time and sun data for Vientiane — the largest city of Vientiane Prefecture

The sun in Vientiane

Sunrise 05:57 Solar noon 12:10 Sunset 18:23 Daylight 12 h 26 min Night 11 h 34 min Civil twilight 05:35 – 18:45

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Current time in Vientiane Prefecture, Laos

Local time is always seven hours ahead of UTC. Because the offset is stable, a schedule written in UTC converts the same way in January, July or any other month. People coordinating with countries that alter their clocks should recalculate the international difference when those changes occur. Vientiane Prefecture itself remains fixed on UTC+7.

Government business can involve many adjustments; adjusting the Vientiane clock for summer is not one of them.

The capital and surrounding districts

Vientiane is the prefecture’s principal city and the national capital. The prefecture also reaches beyond the dense urban core into outer districts and settlements, including Pak Ngum and areas associated with Hadxaifong, Naxaithong and Sangthong.

These names do not all describe equivalent urban units. Some identify districts containing numerous communities rather than a single compact city. Vientiane is clearly the main urban centre, while comparisons among outer places depend on how boundaries are defined.

Vientiane: the national capital and main metropolitan centre. Hadxaifong: a district south of central Vientiane. Naxaithong: an outer district to the northwest. Pak Ngum and Sangthong: more distant parts of the prefecture.

Vientiane Prefecture may also be called Vientiane Capital in English-language interfaces. It should not be confused with Vientiane Province, a neighbouring administrative region. The time is identical in both.

Sunrise in the capital area

A sunrise listing for central Vientiane is a good reference for the urban area, but the prefecture covers enough ground for small local variations. The date and selected coordinates determine the astronomical result.

Buildings, trees and riverbank features can affect first visibility without changing the calculated sunrise. Standard services use a conventional horizon rather than the view from a specific hotel room, street or riverside terrace.

For an early appointment, the city-level result is normally sufficient. Photographers and outdoor organisers should use the exact site and also note civil twilight, which begins before sunrise. Since there is no daylight-saving transition, seasonal changes in sunrise remain easy to compare on the same clock.

Questions and answers

What time zone is the Lao capital in?
Vientiane uses Indochina Time, UTC+7.
Is Vientiane Prefecture different from Vientiane Province?
Yes. They are distinct administrative regions that share the same time zone.
Does sunrise occur at one fixed time in Vientiane?
No. Its clock time varies by date and, more slightly, by location.
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