Osan in numbers
- Coordinates
- 34.9762, 127.0150
- Region
- Jeollanam-do
- Country
- South Korea, Asia
- Capital
- Seoul — 288 km away
- Same name
- 51 more places in the world share this name
Current local time for Osan, Jeollanam-do, South Korea is listed here, in the Asia/Seoul time zone (+9).
Osan, South Korea
Monday, 9 November 2026
UTC+9 · Asia/Seoul
Local time in Osan
UTC+9 · no daylight saving time
Local time in Osan, Jeollanam-do.
Sunrise 7:01 AM Solar noon 12:17 PM Sunset 5:33 PM Daylight 10 h 32 min Night 13 h 28 min Civil twilight 6:35 AM – 5:59 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.
Whatever the hour in Osan, it is the same in Oum-Ni and Sorijil.
8 codes make up the postal map of Osan.
Osan follows Asia/Seoul, giving it a UTC+9 offset. Does the zone observe daylight saving? No.
Daylight in Osan today runs from 7:01 AM to 5:33 PM. The stretch measures 10 h 32 min.