Osan in numbers
- Coordinates
- 37.2383, 127.5580
- Region
- Gyeonggi-do
- Country
- South Korea, Asia
- Capital
- Seoul — 63 km away
- Same name
- 51 more places in the world share this name
What time is it in Osan, Gyeonggi-do, South Korea
This page shows the current local time in Osan, Gyeonggi-do, South Korea, in the Asia/Seoul time zone (+9).
Osan, South Korea
Saturday, 31 October 2026
UTC+9 · Asia/Seoul
Local time in Osan
UTC+9 · no daylight saving time
Osan keeps Asia/Seoul clock_time.
The sun today
Sunrise 6:54 AM Solar noon 12:14 PM Sunset 5:35 PM Daylight 10 h 42 min Night 13 h 18 min Civil twilight 6:27 AM – 6:02 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
- 12648 가남읍 — 1.5 km away
- 12649 가남읍 — 1.5 km away
- 12656 가남읍 — 2.5 km away
- 12655 가남읍 — 2.5 km away
- 12661 가남읍 — 2.9 km away
- 12646 가남읍 — 3.0 km away
- 12647 능서면 — 3.3 km away
- 17403 부발읍 — 3.4 km away
- 17405 부발읍 — 3.5 km away
- 12662 가남읍 — 3.9 km away
- 12657 가남읍 — 4.2 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 Gyeonggi-do
- Suwon 1 234 582
- Goyang-Si 1 061 752
- Seongnam-Si 914 832
- Bucheon-Si 850 731
- Hwaseong-Si 640 890
- Ansan-Si 623 256
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
- Pyeongni — 0.9 km
- Seonbi — 3.7 km
- Anjang-Gol — 4.0 km
- Yonggeomeo-Ri — 4.7 km
- To-Dong — 7.2 km
- Nung-Mal — 9.0 km
Time and daylight in Osan
Postal codes in Osan number 11.
Osan marks time with Asia/Seoul at an offset of UTC+9. Does the area change clocks seasonally? No.
The sun rises over Osan today at 6:54 AM and slips away at 5:35 PM. That leaves 10 h 42 min of daylight.
The local time of Osan is shared by neighbouring Pyeongni and Seonbi.
Questions and answers
- How should the time zone of Osan be stated?
- It should be stated as Asia/Seoul, with an offset of +9.
- Is summer time in effect in Osan at some point in the year?
- Daylight saving observed in Osan: No.
- At what time is the sun rising in Osan?
- The sun is rising at 6:54 AM.