Chiang Rai, Thailand
Chiang Rai is on Indochina Time, UTC+7, every day of the year. Its border towns, mountain districts, and provincial capital all use one clock.
Chiang Rai, Thailand
Monday, 7 September 2026
UTC+7 · Asia/Bangkok
Time and sun data for Chiang Rai — the largest city of Chiang Rai
The sun in Chiang Rai
Sunrise 6:08 AM Solar noon 12:20 PM Sunset 6:33 PM Daylight 12 h 25 min Night 11 h 35 min Civil twilight 5:45 AM – 6:55 PM
Thailand · 2 269 cities · page 1 of 12
Largest cities
- Chiang Rai 78 756
- Mae Chan 37 672
- Mae Sai 27 520
- Chiang Khong 14 505
- Pa Daet 13 624
- Chiang Saen 10 807
- Ban Ho Mae Salong 540
- Ban Sop Ruak 200
All cities — page 1
- Amphoe Chiang Khong
- Amphoe Chiang Saen
- Amphoe Doi Luang
- Amphoe Khun Tan
- Amphoe Mae Chan
- Amphoe Mae Fa Luang
- Amphoe Mae Lao
- Amphoe Mae Sai
- Amphoe Mae Suai
- Amphoe Mueang Chiang Rai
- Amphoe Pa Daet
- Amphoe Phan
- Amphoe Phaya Mengrai
- Amphoe Thoeng
- Amphoe Wiang Chai
- Amphoe Wiang Chiang Rung
- Amphoe Wiang Kaen
- Amphoe Wiang Pa Pao
- Ban A Choe
- Ban A Hai
- Ban A Ku
- Ban A Lae
- Ban A Lae
- Ban A Mae
- Ban A Mae
- Ban A Mae
- Ban A To
- Ban A Yo Anamai
- Ban A Yo Mai
- Ban A-Cha
- Ban A-Cha Thong
- Ban A-Di
- Ban A-Kha
- Ban A-Kha Kio Champi
- Ban A-kha Kio Champi
- Ban A-Khoe
- Ban A-Koe Bon
- Ban A-Koe Lang
- Ban A-Thawi
- Ban A-Yi Ko
- Ban A-Yo
- Ban Be
- Ban Bo Kang
- Ban Bo Nam Khao
- Ban Bo Saeng
- Ban Bo Thong
- Ban Bong Ngam
- Ban Bu Cho
- Ban Buak Din Dam
- Ban Buak Khilek
- Ban Buak Khon
- Ban Buak Khon
- Ban Buak Mu Pit
- Ban Buak Plakhao
- Ban Buak Planon
- Ban Buak Tao
- Ban Bunnak
- Ban Bunrueang Nuea
- Ban Bunrueang Tai
- Ban Cha Aue
- Ban Cha Cho
- Ban Cha Da
- Ban Cha Doe
- Ban Cha Ha
- Ban Cha Ha
- Ban Cha Kha
- Ban Cha Kham Noi
- Ban Cha Khom
- Ban Cha Khuai
- Ban Cha Khue
- Ban Cha Khue
- Ban Cha Ko Na
- Ban Cha Lae
- Ban Cha Nu
- Ban Cha Pa-Li Khai
- Ban Cha Phue
- Ban Cha Re Tu Bo
- Ban Cha Sae
- Ban Cha Saen
- Ban Cha So
- Ban Cha Tae
- Ban Cha Tho
- Ban Cha Tho
- Ban Cha Tho
- Ban Cha Yi
- Ban Cha-Ue
- Ban Chachu
- Ban Chaem Pong
- Ban Chai Charoen
- Ban Chai Narai
- Ban Chai Niwet
- Ban Chai Prakan
- Ban Chaiyaphon
- Ban Chaiyaphuek
- Ban Chaiyaphum
- Ban Chalo
- Ban Cham Bon
- Ban Cham Bon
- Ban Cham Bon
- Ban Cham Hai
- Ban Cham Hai
- Ban Cham Kha
- Ban Cham Khao Tong
- Ban Cham Khrai
- Ban Cham Phak Kut
- Ban Cham Phak Kut
- Ban Cham Wai
- Ban Chan Kaeo
- Ban Charoen
- Ban Charoen Mueang
- Ban Chat San Chanthrathip
- Ban Chati
- Ban Chatsan Sanwanlay
- Ban Chedi
- Ban Chedi Mai
- Ban Chedi Thong
- Ban Chiang Khan
- Ban Chiang Khian
- Ban Chiang Khian
- Ban Chiang Saen Noi
- Ban Chiao Yi
- Ban Cho Charoen
- Ban Cho Ko
- Ban Cho Ko
- Ban Cho Pa Kha Kao
- Ban Cho Pa Kha Mai
- Ban Chokchai
- Ban Chokchai Phatthana
- Ban Chom Chaeng
- Ban Chom Chan
- Ban Chom Kitti
- Ban Chom Phu
- Ban Chom Ri Ti
- Ban Chong
- Ban Chong Charoen
- Ban Chong Den
- Ban Chong Lom
- Ban Chong Wat
- Ban Chuchi Nuea
- Ban Chuchi Tai
- Ban Chuea Chet Ton
- Ban Chumchon San Champa
- Ban Daen Mueang
- Ban Dai
- Ban Dai
- Ban Dai Ku Kaeo
- Ban Daowadueng
- Ban Den
- Ban Den
- Ban Den
- Ban Den
- Ban Den
- Ban Den (1)
- Ban Den (2)
- Ban Den Fai
- Ban Den Sala
- Ban Din Dam
- Ban Doi
- Ban Doi
- Ban Doi
- Ban Doi
- Ban Doi Bo
- Ban Doi Bo Song
- Ban Doi Chai Mongkhon
- Ban Doi Chai Mongkhon
- Ban Doi Champi
- Ban Doi Chan
- Ban Doi Chang
- Ban Doi Charoen
- Ban Doi Charoen
- Ban Doi Chomphu
- Ban Doi Din Daeng
- Ban Doi Don Tan
- Ban Doi Hang
- Ban Doi Hang Nai
- Ban Doi Hang Nok
- Ban Doi Kham
- Ban Doi Kio
- Ban Doi Ku
- Ban Doi Lan
- Ban Doi Ngam
- Ban Doi Ngam
- Ban Doi Ngam
- Ban Doi Ngam
- Ban Doi Ngam
- Ban Doi Noi
- Ban Doi Phatthana
- Ban Doi Phrabat
- Ban Doi Pui
- Ban Doi Sa-Ngo Bon
- Ban Doi Sa-Ngo Klang
- Ban Doi San Khong
- Ban Doi Sang
- Ban Doi Santi
- Ban Doi Si Kaeo
- Ban Doi Siri Mongkhon
- Ban Doi Sombun
- Ban Doi Sung Noen
- Ban Doi Thewa
- Ban Doi To
Current time in Chiang Rai, Thailand
Thailand’s northernmost province does not have a special border time or regional adjustment. Chiang Rai city, Mae Sai, Chiang Saen, and communities near neighbouring countries follow Thailand’s national ICT standard.
The UTC offset never changes seasonally. Cross-border travellers should still confirm the official time used at their destination, because a nearby country can follow a different national rule even when places are geographically close.
A border may change the signs, language, and paperwork; it is unwise to assume it leaves the clock unchanged.
Key cities and border centres
Chiang Rai city is the provincial capital and the primary centre for administration, transport, education, and services. Other notable towns have distinct roles in border commerce, tourism, river travel, and support for agricultural districts.
Chiang Rai is the province’s main city and usual time-reference location. Mae Sai is a busy northern border town. Chiang Khong stands on the Mekong River opposite Laos. Chiang Saen is a historic town near the Mekong and Golden Triangle area.
Phan is an important district centre south of Chiang Rai city. A list ordered by size can differ depending on whether it counts a municipality alone or its surrounding district. These are the leading practical urban references rather than an asserted permanent ranking. Within Thailand, each observes UTC+7.
Sunrise in Thailand’s far north
Sunrise in Chiang Rai varies by date and location. Northern mountains and valleys make the difference between calculated sunrise and visible sunlight particularly relevant. The sun may have crossed the ideal horizon while a nearby ridge still shades the observer.
Longitude also matters. A result calculated for Chiang Rai city can differ slightly from the time for Mae Sai or Chiang Khong. That difference is astronomical; the official clocks in those towns continue to agree.
Select the destination rather than a generic national location. Verify that the calculation uses the intended local date. Keep the time-zone setting at UTC+7. Review the local terrain before planning a sunrise viewpoint.
Weather should be checked independently. Cloud may hide the event, but it does not change the published astronomical moment for the selected coordinates.
Questions and answers
- Is Mae Sai on the same time as Chiang Rai city?
- Yes. Both places use Thailand’s Indochina Time.
- Are clocks changed during the cool season?
- No. Seasonal weather changes do not affect the UTC+7 setting.
- Should a cross-border traveller assume the same local time?
- No. Confirm the destination country’s current time zone rather than inferring it from geographic proximity.