Sumi in numbers
- Coordinates
- 37.5158, 127.6460
- Region
- Gyeonggi-do
- Country
- South Korea, Asia
- Capital
- Seoul — 59 km away
- Same name
- 8 more places in the world share this name
Get the current local time in Sumi, Gyeonggi-do, South Korea, a location in the Asia/Seoul time zone (+9).
Sumi, South Korea
Sunday, 8 November 2026
UTC+9 · Asia/Seoul
Local time in Sumi
UTC+9 · no daylight saving time
Local time in Sumi, Gyeonggi-do.
Sunrise 7:02 AM Solar noon 12:14 PM Sunset 5:26 PM Daylight 10 h 24 min Night 13 h 36 min Civil twilight 6:35 AM – 5:54 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.
The name of the time zone in Sumi is Asia/Seoul, and it runs UTC+9. Daylight saving time: No.
Today's daylight in Sumi begins at 7:02 AM and finishes at 5:26 PM. The total is 10 h 24 min.
If you are looking near Sumi, both Gwangtan-Ri and Yulli keep the same time.
Postal areas within Sumi come to 11.