Kosan in numbers
- Coordinates
- 37.4470, 127.9270
- Region
- Gangwon-do
- Country
- South Korea, Asia
- Capital
- Seoul — 85 km away
- Same name
- 12 more places in the world share this name
This page reports the local time in Kosan, Gangwon-do, South Korea, set by the Asia/Seoul time zone (+9).
Kosan, South Korea
Saturday, 7 November 2026
UTC+9 · Asia/Seoul
Local time in Kosan
UTC+9 · no daylight saving time
What the clock shows right now in Kosan.
Sunrise 7:00 AM Solar noon 12:13 PM Sunset 5:26 PM Daylight 10 h 27 min Night 13 h 33 min Civil twilight 6:32 AM – 5:54 PM
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Weather data by Open-Meteo, updated every 30 minutes.
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.
The postal system lists 11 codes for Kosan.
Kosan sits under Asia/Seoul, which puts local clocks at UTC+9. Daylight saving in use: No.
Sunrise arrives in Kosan at 7:00 AM today and the sun goes down at 5:26 PM. That gives the day 10 h 27 min of light.
Kosan shares its time with neighbouring Chung-Gol and Chi-Ch'On.