Sema-Dong in numbers
- Coordinates
- 37.1831, 127.0320
- Region
- Gyeonggi-do
- Country
- South Korea, Asia
- Capital
- Seoul — 43 km away
What time is it in Sema-Dong, Gyeonggi-do, South Korea
Get the current local time in Sema-Dong, Gyeonggi-do, South Korea, a location in the Asia/Seoul time zone (+9).
Sema-Dong, South Korea
Sunday, 1 November 2026
UTC+9 · Asia/Seoul
Local time in Sema-Dong
UTC+9 · no daylight saving time
What the clock shows right now in Sema-Dong.
The sun today
Sunrise 6:57 AM Solar noon 12:17 PM Sunset 5:36 PM Daylight 10 h 40 min Night 13 h 20 min Civil twilight 6:30 AM – 6:03 PM
Weather in Sema-Dong right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Sema-Dong and its neighbours
Postal codes
- 18102 오산시 — 0.3 km away
- 18107 오산시 — 0.8 km away
- 18105 오산시 — 1.1 km away
- 18106 오산시 — 1.1 km away
- 18101 오산시 — 1.4 km away
- 18109 오산시 — 2.0 km away
- 18108 오산시 — 2.0 km away
- 18372 화성시 — 2.2 km away
- 18103 오산시 — 2.2 km away
- 18366 화성시 — 2.2 km away
- 18417 화성시 — 2.3 km away
- 18117 오산시 — 2.3 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
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
- Kwaerangi — 4.3 km
- Munhak-Tong — 6.8 km
- Kohyon — 7.8 km
- Monnae — 10.1 km
- Sil-Li — 10.2 km
- Parun'Gol — 10.5 km
Local time details for Sema-Dong
Daylight arrives in Sema-Dong at 6:57 AM and departs at 5:36 PM. It lasts 10 h 40 min today.
Kwaerangi and Munhak-Tong sit nearby and do not run ahead of or behind Sema-Dong.
Sema-Dong appears under 12 postal codes.
Sema-Dong reads its time from Asia/Seoul, placed at UTC+9. Whether daylight saving time is observed: No.
Questions and answers
- Do you know which time zone Sema-Dong uses?
- Sema-Dong uses the Asia/Seoul time zone, with an offset of +9.
- Do clocks change in Sema-Dong during the year?
- Daylight saving in Sema-Dong: No.
- What time is last light in Sema-Dong?
- The sun sets at 5:36 PM.