Osan in numbers
- Coordinates
- 34.6289, 127.4590
- Region
- Jeollanam-do
- Country
- South Korea, Asia
- Capital
- Seoul — 329 km away
- Same name
- 51 more places in the world share this name
What time is it in Osan, Jeollanam-do, South Korea
On this page you will find the exact local time in Osan, Jeollanam-do, South Korea, 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.
The sun today
Sunrise 6:59 AM Solar noon 12:15 PM Sunset 5:32 PM Daylight 10 h 33 min Night 13 h 27 min Civil twilight 6:32 AM – 5:58 PM
Weather in Osan right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Osan and its neighbours
Postal codes
- 59518 점암면 — 2.9 km away
- 59521 영남면 — 3.8 km away
- 59520 영남면 — 4.8 km away
- 59519 점암면 — 6.8 km away
- 59522 점암면 — 7.9 km away
- 59510 과역면 — 8.2 km away
- 59517 점암면 — 8.2 km away
- 59781 화정면 — 8.5 km away
- 59523 포두면 — 9.5 km away
- 59511 점암면 — 10.2 km away
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 Jeollanam-do
Other places named Osan
- Osan Gyeonggi-do, South Korea
- Osan Aragon, Spain
- Osan Central Sulawesi, Indonesia
- Osan Maluku, Indonesia
- Osan Västra Götaland, Sweden
Same time zone — Asia/Seoul
- Seoul South Korea
- Busan South Korea
- Incheon South Korea
- Daegu South Korea
- Daejeon South Korea
- Gwangju South Korea
Nearby places
About the time in Osan
Osan shares its time with neighbouring Saja-Dong and Sap'O.
Osan is mapped by 10 postal codes.
Osan operates on Asia/Seoul at UTC+9. Daylight saving time used here: No.
The sun rises at 6:59 AM, sets at 5:32 PM, and stays over Osan for 10 h 33 min. That is today's daylight.
Questions and answers
- Which time zone designation is used for Osan?
- The designation used for Osan is Asia/Seoul, with an offset of +9.
- Is daylight saving time observed at this location, Osan?
- Daylight saving time in Osan: No.
- When does light leave Osan?
- Light leaves at 5:32 PM.