Sumi in numbers
- Coordinates
- 37.3153, 128.6290
- Region
- Gangwon-do
- Country
- South Korea, Asia
- Capital
- Seoul — 148 km away
- Same name
- 8 more places in the world share this name
This page shows the time as it is now in Sumi, Gangwon-do, South Korea, 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
Sumi keeps Asia/Seoul clock_time.
Sunrise 6:58 AM Solar noon 12:10 PM Sunset 5:23 PM Daylight 10 h 25 min Night 13 h 35 min Civil twilight 6:30 AM – 5:50 PM
Loading the current weather…
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 register holds 11 postal codes for Sumi.
Sumi lies in the Asia/Seoul time zone, offset UTC+9. Seasonal adjustment of clocks: No.
Daylight in Sumi starts at 6:58 AM and ends at 5:23 PM today. It lasts 10 h 25 min.
Nearby places that share Sumi's clock include Araemanjisan and Chomjae.