Kosan in numbers
- Coordinates
- 36.9898, 126.8620
- Region
- Gyeonggi-do
- Country
- South Korea, Asia
- Capital
- Seoul — 65 km away
- Same name
- 12 more places in the world share this name
What time is it in Kosan, Gyeonggi-do, South Korea
This page shows the time of day in Kosan, Gyeonggi-do, South Korea as it stands now, in the Asia/Seoul zone (+9).
Kosan, South Korea
Saturday, 17 October 2026
UTC+9 · Asia/Seoul
Local time in Kosan
UTC+9 · no daylight saving time
Kosan keeps Asia/Seoul clock_time.
The sun today
Sunrise 6:42 AM Solar noon 12:19 PM Sunset 5:56 PM Daylight 11 h 13 min Night 12 h 47 min Civil twilight 6:16 AM – 6:22 PM
Weather in Kosan right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Kosan and its neighbours
Postal codes
- 17952 포승읍 — 0.9 km away
- 17951 포승읍 — 1.2 km away
- 17954 포승읍 — 1.2 km away
- 17964 포승읍 — 1.2 km away
- 17953 포승읍 — 1.3 km away
- 17955 포승읍 — 1.5 km away
- 17959 포승읍 — 1.9 km away
- 17961 포승읍 — 2.0 km away
- 17960 포승읍 — 2.0 km away
- 17956 포승읍 — 2.1 km away
- 17814 포승읍 — 2.3 km away
- 17965 포승읍 — 2.6 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 Kosan
- Kosan Kangwŏn-do, North Korea
- Kosan Bono, Ghana
- Kosan Bingöl, Turkey
- Kosan Jeollabuk-do, South Korea
- Kosan Gangwon-do, South Korea
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
- Wondogok — 0.5 km
- Sangjeonchon — 2.3 km
- Haejo — 3.8 km
- Hamanho — 3.9 km
- Yongdong — 4.4 km
- Domungok — 4.6 km
About the time in Kosan
Mail delivery in Kosan relies on 12 postal codes.
Local timekeeping in Kosan uses Asia/Seoul, equal to UTC+9. Summer clock change: No.
Sunrise for Kosan today is set at 6:42 AM, sunset at 5:56 PM. Daylight covers 11 h 13 min.
Both Wondogok and Sangjeonchon are near Kosan and keep its time.
Questions and answers
- Which time zone name applies to Kosan?
- The time zone name for Kosan is Asia/Seoul, with an offset of +9.
- Are daylight saving rules used in Kosan?
- Daylight saving time in Kosan: No.
- How early does the sun rise in Kosan?
- The first sunlight comes at 6:42 AM.