Osan in numbers
- Coordinates
- 35.0778, 127.2860
- Region
- Jeollanam-do
- Country
- South Korea, Asia
- Capital
- Seoul — 278 km away
- Same name
- 51 more places in the world share this name
What time is it in Osan, Jeollanam-do, South Korea
The time now in Osan, Jeollanam-do, South Korea is shown here, following 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 7:00 AM Solar noon 12:16 PM Sunset 5:31 PM Daylight 10 h 31 min Night 13 h 29 min Civil twilight 6:34 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
- 57911 주암면 — 2.0 km away
- 57554 목사동면 — 2.6 km away
- 57552 목사동면 — 4.3 km away
- 57561 목사동면 — 5.1 km away
- 57910 주암면 — 5.4 km away
- 57553 목사동면 — 5.6 km away
- 57559 석곡면 — 6.6 km away
- 57558 석곡면 — 6.8 km away
- 57560 석곡면 — 6.8 km away
- 57549 죽곡면 — 7.7 km away
- 57913 송광면 — 7.8 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
- Oegwangch'On — 5.0 km
- Sokkong-Ni — 6.9 km
- Sinhung — 7.0 km
- Pongjol-Li — 7.1 km
- Sin'Gye — 8.0 km
- Pangju — 10.0 km
Osan: clock, sun and surroundings
Sorting mail for Osan involves 11 postal codes.
Osan adheres to Asia/Seoul, a UTC+9 offset. Daylight saving time observed: No.
Today Osan sees sunrise at 7:00 AM, sunset at 5:31 PM. Daylight comes out to 10 h 31 min.
If you are looking near Osan, both Oegwangch'On and Sokkong-Ni keep the same time.
Questions and answers
- What time zone applies in Osan?
- In Osan, the applicable time zone is Asia/Seoul, with an offset of +9.
- Are daylight saving rules used in Osan?
- Daylight saving time in Osan: No.
- What is the sunset time for Osan?
- 5:31 PM.