Ko Samui in numbers
- Coordinates
- 9.5357, 99.9357
- Population
- 50 000
- Region
- Surat Thani
- Country
- Thailand, Asia
- Capital
- Bangkok — 473 km away
What time is it in Ko Samui, Surat Thani, Thailand
Local time in Ko Samui, Surat Thani, Thailand is shown on this page, based on the Asia/Bangkok time zone (+7).
Ko Samui, Thailand
Tuesday, 27 October 2026
UTC+7 · Asia/Bangkok
Local time in Ko Samui
UTC+7 · no daylight saving time
What the clock shows right now in Ko Samui.
The sun today
Sunrise 6:10 AM Solar noon 12:05 PM Sunset 6:00 PM Daylight 11 h 50 min Night 12 h 10 min Civil twilight 5:49 AM – 6:21 PM
Weather in Ko Samui right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Ko Samui and its neighbours
Postal codes
- 84140
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Surat Thani
- Surat Thani 132 040
- Tha Kham 25 810
- Ban Na San 21 900
- Don Sak 12 422
- Chaiya 12 223
- Wiang Sa 11 933
Same time zone — Asia/Bangkok
- Bangkok Thailand
Nearby places
- Ban Nathon — 0.0 km
- Ban Ta Kian — 1.7 km
- Ban Hin Lat — 1.9 km
- Ban Bang Makham — 2.2 km
- Ban Laem Din — 2.5 km
- Ban Lipa Yai — 2.7 km
Local time details for Ko Samui
1 postal code is listed for Ko Samui.
Ko Samui keeps the Asia/Bangkok zone, which is UTC+7. Whether summer time is observed: No.
The horizon brightens over Ko Samui at 6:10 AM, and the sun sets at 6:00 PM. Daylight runs 11 h 50 min.
Neighbouring places Ban Nathon and Ban Ta Kian run on Ko Samui time.
Questions and answers
- Which time zone covers Ko Samui?
- Ko Samui is covered by the Asia/Bangkok time zone, with an offset of +7.
- Does Ko Samui change its clocks twice a year?
- Daylight saving time in Ko Samui: No.
- What is the sunset time for Ko Samui?
- 6:00 PM.