Houaphan, Laos
Houaphan uses Indochina Time, UTC+7, year-round. Xam Neua, Vieng Xai, and the province’s other district centres share one clock and do not observe daylight saving time.
Xam Nua, Laos
Friday, 4 September 2026
UTC+7 · Asia/Vientiane
Time and sun data for Xam Nua — the largest city of Houaphan
The sun in Xam Nua
Sunrise 05:50 Solar noon 12:04 Sunset 18:19 Daylight 12 h 29 min Night 11 h 31 min Civil twilight 05:27 – 18:41
Laos · 1 360 cities · page 1 of 7
Largest cities
- Xam Nua 56 900
- Ban Xamtai 6 244
- Muang Xon 4 899
- Ban Muang-Et 1 880
- Ban Sop-Hao 786
- Ban Muanggnut 765
- Ban Pahang 611
- Nam Soi 510
- Ban Sopka 470
- Ban Phalong 441
- Ban Longtong 402
- Muang Hom 372
All cities — page 1
- Ban A Luc
- Ban Angkouan
- Ban Anglong
- Ban Angmok
- Ban Angxang
- Ban Ban
- Ban Ban-Tai
- Ban Bao
- Ban Bao-Nua
- Ban Bao-Tai
- Ban Bay
- Ban Bèngthong
- Ban Bet
- Ban Bia
- Ban Bo
- Ban Bo
- Ban Bo
- Ban Bô
- Ban Bô
- Ban Bo Bon
- Ban Bo Pha Teu
- Ban Bo-Sam
- Ban Bôk
- Ban Bokay
- Ban Bon
- Ban Bona
- Ban Bông
- Ban Bông
- Ban Bông
- Ban Bong
- Ban Bopha
- Ban Bouak
- Ban Bouak
- Ban Bouak
- Ban Bouak
- Ban Bouak (2)
- Ban Bouakhia
- Ban Bouambay
- Ban Bouamgnoung
- Ban Bouamphô
- Ban Bouamphou
- Ban Bouamphou
- Ban Bouay
- Ban Boueï
- Ban Bun
- Ban Buôm Nghiou
- Ban Cha
- Ban Cha Do
- Ban Cha Do
- Ban Cha Khièn
- Ban Cha Meng
- Ban Cha Thâu
- Ban Chak
- Ban Chak
- Ban Chakou
- Ban Chalôk
- Ban Chalôk
- Ban Chapouang
- Ban Chat
- Ban Chathao
- Ban Chathao
- Ban Chathao
- Ban Chathao
- Ban Chèfay
- Ban Chéphay
- Ban Chèphay
- Ban Chiapouang
- Ban Chien Kum
- Ban Chomkham
- Ban Chomsan
- Ban Chotlot
- Ban Choumkong
- Ban Co Kien
- Ban Co Lang
- Ban Co Sum
- Ban Coleu
- Ban Cong Meo
- Ban Cong Meo
- Ban Dan
- Ban Dan
- Ban Dan
- Ban Dandèng
- Ban Danhang
- Ban Danhom
- Ban Dén
- Ban Den Din
- Ban Dendin
- Ban Dendin
- Ban Dèndin
- Ban Deunbin
- Ban Diang
- Ban Dindèng
- Ban Dindèng
- Ban Dokkham
- Ban Dokmai
- Ban Dom
- Ban Don
- Ban Don
- Ban Don
- Ban Don
- Ban Dong
- Ban Donkhoun
- Ban Donkhoun
- Ban Donphao-Nua
- Ban Ekpong-Lin
- Ban Eun
- Ban Fat
- Ban Gnat-Ang
- Ban Gnia
- Ban Gniou
- Ban Gnot-Houaythong
- Ban Gnot-In
- Ban Gnot-In
- Ban Gnotbot
- Ban Gnotgnut
- Ban Gnotkoum
- Ban Gnotlèm
- Ban Gnotlong
- Ban Gnotmat
- Ban Gnotnampong
- Ban Gnotno
- Ban Gnotpao
- Ban Gnotpiak
- Ban Gnotsim
- Ban Gnottao
- Ban Ha Luong
- Ban Ham-Tai
- Ban Hang
- Ban Hang
- Ban Hanglong
- Ban Hao-Nua
- Ban Hao-Tai
- Ban Haosen
- Ban Hap
- Ban Hat
- Ban Hat Heng
- Ban Hat Khe
- Ban Hat Nhao
- Ban Hatkai
- Ban Hatkok
- Ban Hatlôk
- Ban Hatsa
- Ban Hatsou
- Ban Hattop
- Ban Hatxa
- Ban Hatxan
- Ban Hèang
- Ban Hèng
- Ban Hèo
- Ban Hi
- Ban Him
- Ban Hinkap
- Ban Hinkèo
- Ban Hinkhoun
- Ban Hinpèn
- Ban Hinpèn
- Ban Hintang
- Ban Hintang
- Ban Hintang
- Ban Ho
- Ban Ho
- Ban Hoc
- Ban Hok
- Ban Hokkhai
- Ban Hômsay
- Ban Hômthong
- Ban Hong-Nôn
- Ban Hong-Oy
- Ban Hông-Oy
- Ban Hongmo
- Ban Hophiang
- Ban Houa Khang Neua
- Ban Houa Khang Teu
- Ban Houa Phou
- Ban Houakhang
- Ban Houakhong
- Ban Houamuang
- Ban Houamuang
- Ban Houana
- Ban Houapha
- Ban Houaphou
- Ban Houaphou
- Ban Houaphou
- Ban Houatangoua
- Ban Houaxiang
- Ban Houaxiang
- Ban Houay Cha
- Ban Houay Cho
- Ban Houay Eng
- Ban Houay Kasao
- Ban Houay Kha
- Ban Houay Kut
- Ban Houay Lai
- Ban Houay Linep
- Ban Houay Ling
- Ban Houay Long
- Ban Houay Nghieu
- Ban Houay Ngoua
- Ban Houay Ouang
- Ban Houay Patat
Current time in Houaphan, Laos
Houaphan is seven hours ahead of Coordinated Universal Time. Its clock does not jump forward or backward with the seasons, which provides a fixed basis for local appointments, bus times, and communication across Laos.
When arranging a call across borders, use the date as well as the named cities. Houaphan’s offset remains unchanged, but a distant participant may live under seasonal time rules. A difference that was correct several months ago may therefore be wrong for the next meeting. Houaphan’s hills complicate the horizon, not the time zone.
Xam Neua and the province’s district towns
Xam Neua is the provincial capital and the main urban centre. Houaphan is mountainous and its settlements are separated by terrain that can make travel times substantial, even though no clock adjustment is needed anywhere within the province.
Xam Neua, the administrative capital Vieng Xai, known as a district centre east of Xam Neua Sop Bao, serving a district near the Vietnamese border Xam Tai, a centre in the southern part of the province
Vieng Thong, associated with a western district of Houaphan Transliterated names may vary between maps, booking systems, and administrative records. Xam Neua may also appear under another familiar English spelling. The coordinates and provincial label are useful checks when choosing a place for time or weather information.
Mountain horizons and sunrise
The calculated sunrise changes daily and is specific to location. Although Houaphan lies within one time zone, eastern and western districts have slightly different solar timings. Seasonal movement of the Sun changes dawn, sunset, and the total span of daylight.
In mountainous country, the first direct rays may arrive after the astronomical sunrise because a ridge blocks the horizon. The same ridge effect can remove direct evening sun before the listed sunset. Twilight still supplies some natural light, but its usefulness depends on weather, vegetation, and the task being planned.
For an early trip, use this sequence: Find the nearest town or exact coordinates. Check civil dawn and sunrise for that date. Consider the direction and height of surrounding slopes. Allow additional time if the route requires full daylight.
The official clock answers when an event is scheduled. A local sunrise calculation helps answer whether the road or landscape will actually be illuminated at that hour.
Questions and answers
- What is the time zone in Houaphan?
- Houaphan follows UTC+7, commonly called Indochina Time.
- Is Xam Neua on the same time as the rest of Laos?
- Yes. It shares the national time used throughout the country.
- Why can visible sunrise differ between nearby valleys?
- Ridges, vegetation, cloud, and each observer’s horizon can delay the first direct sunlight.