Oudômxai, Laos
Oudômxai observes Indochina Time at UTC+7. The offset applies throughout the province and remains unchanged during the year because Laos does not use daylight saving time.
Muang Xay, Laos
Friday, 4 September 2026
UTC+7 · Asia/Vientiane
Time and sun data for Muang Xay — the largest city of Oudômxai
The sun in Muang Xay
Sunrise 05:58 Solar noon 12:13 Sunset 18:27 Daylight 12 h 30 min Night 11 h 30 min Civil twilight 05:36 – 18:50
Laos · 896 cities · page 1 of 5
Largest cities
- Muang Xay 25 000
- Ban Yangmôn 798
- Muang Pakbeng 500
- Ban Vangmouak 67
All cities — page 1
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Current time in Oudômxai, Laos
Local clocks in Oudômxai are seven hours ahead of UTC. Subtract seven hours to convert local time back to UTC, remembering that the resulting time may fall on the previous calendar date. Domestic travel creates no clock adjustment: arriving from another Lao province means keeping the same time. International travellers should compare UTC offsets rather than relying on labels such as “summer time,” which may apply at home but not here. Crossing Oudômxai may take patience; crossing its time zone takes no time at all.
Provincial centre and notable settlements
Muang Xay, also written as Xay or Oudomxay in different contexts, is the provincial capital and its main urban centre. Pak Beng is another widely recognised settlement, particularly as a stopping point on the Mekong. Other district centres include Houn, La and Nga.
Place rankings are not always directly comparable. Some references count a compact town, while others report the population of an entire district bearing the same name. It is safer to treat the following as principal centres rather than force an uncertain population order.
Muang Xay: the administrative capital and primary time reference. Pak Beng: a Mekong settlement in the province. Houn: a district centre connected with overland routes. La and Nga: district centres that share the provincial clock.
Accents and transliteration account for forms such as Oudômxai, Oudomxay and Oudomxai. Those variants refer to the same province for time-zone purposes.
Sunrise across a mountainous province
A single permanent sunrise time cannot describe Oudômxai. Sunrise varies by date, and its calculated clock time also depends on the coordinates used. A listing for Muang Xay is suitable for the capital but only an approximation for Pak Beng or another district.
The astronomical result assumes a conventional horizon. Oudômxai’s terrain means a ridge can hide the sun after the calculated sunrise, while elevated ground may receive direct light sooner than a valley below. This does not change the official sunrise calculation; it changes what an observer can see.
Check civil twilight if the practical question is when usable morning light begins. For travel or outdoor work, combine the astronomical listing with local terrain and weather conditions. The absence of daylight saving makes the clock easier to interpret: a seasonal difference is solar, not administrative.
Questions and answers
- What is Oudômxai’s UTC offset?
- The province uses UTC+7.
- Are Muang Xay and Pak Beng in the same time zone?
- Yes. Both use the standard time observed throughout Laos.
- Does mountain terrain alter official time?
- No. It can affect visible sunlight, but clocks and the legal time zone remain unchanged.