Kosu in numbers
- Coordinates
- 34.5533, 126.5650
- Region
- Jeollanam-do
- Country
- South Korea, Asia
- Capital
- Seoul — 337 km away
- Same name
- 5 more places in the world share this name
The present local time in Kosu, Jeollanam-do, South Korea is given below, for the Asia/Seoul time zone (+9).
Kosu, South Korea
Monday, 9 November 2026
UTC+9 · Asia/Seoul
Local time in Kosu
UTC+9 · no daylight saving time
Local time in Kosu, Jeollanam-do.
Sunrise 7:02 AM Solar noon 12:19 PM Sunset 5:35 PM Daylight 10 h 33 min Night 13 h 27 min Civil twilight 6:36 AM – 6:02 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.
Kosu keeps time under Asia/Seoul. That places it at UTC+9, with daylight saving time No.
In Kosu, first light arrives at 7:02 AM and the sun goes down at 5:35 PM. The day holds 10 h 33 min of light.
Nothing changes on the clock between Kosu and neighbouring Onin or Fukuhyo-Ri.
Addresses in Kosu fall under 11 postal codes.