Dongsandong in numbers
- Coordinates
- 37.6401, 126.9010
- Region
- Gyeonggi-do
- Country
- South Korea, Asia
- Capital
- Seoul — 11 km away
- Same name
- 3 more places in the world share this name
See what time it currently is in Dongsandong, Gyeonggi-do, South Korea — the time zone there is Asia/Seoul (+9).
Dongsandong, South Korea
Monday, 9 November 2026
UTC+9 · Asia/Seoul
Local time in Dongsandong
UTC+9 · no daylight saving time
Dongsandong keeps Asia/Seoul clock_time.
Sunrise 7:06 AM Solar noon 12:17 PM Sunset 5:28 PM Daylight 10 h 22 min Night 13 h 38 min Civil twilight 6:39 AM – 5:56 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.
Both Gupabal and Katsuken-Ri are near Dongsandong and keep its time.
12 codes are used to address mail in Dongsandong.
The applicable time zone for Dongsandong is Asia/Seoul, offset UTC+9. Seasonal clock change applies: No.
Sunrise at Dongsandong today happens at 7:06 AM, sunset at 5:28 PM. The two are 10 h 22 min apart.