Time in Rapid City and Seoul
The time difference between Rapid City, South Dakota, and Seoul is 15 hours. Seoul is 15 hours ahead of Rapid City.
This means 9am in Rapid City is 12am in Seoul (next day) and 5pm in Rapid City is 8am in Seoul (next day).
Rapid City
- The current local time in Rapid City is 9:00 pm (July 21, 2026)
- Rapid City is in the Mountain Daylight Time Zone
- The time zone offset for Rapid City, United States, is UTC-06:00
Seoul
- The current local time in Seoul is 12:00 pm (July 21, 2026)
- Seoul is in the Korea Standard Time Zone
- The time zone offset for Seoul, South Korea, is UTC+09:00
How to convert Rapid City time to Seoul time?
Add 15 hours to Rapid City time to get Seoul time.
Time in Rapid City
00:00
Time in Seoul
00:00
Use the slider above to convert Rapid City time to Seoul time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Rapid City | Seoul |
|---|---|
| 12am | 3pm |
| 1am | 4pm |
| 2am | 5pm |
| 3am | 6pm |
| 4am | 7pm |
| 5am | 8pm |
| 6am | 9pm |
| 7am | 10pm |
| 8am | 11pm |
| 9am | 12am |
| 10am | 1am |
| 11am | 2am |
| 12pm | 3am |
| 1pm | 4am |
| 2pm | 5am |
| 3pm | 6am |
| 4pm | 7am |
| 5pm | 8am |
| 6pm | 9am |
| 7pm | 10am |
| 8pm | 11am |
| 9pm | 12pm |
| 10pm | 1pm |
| 11pm | 2pm |
Time difference from Rapid City (UTC-06:00)
+1 hour
+1 hour
+1 hour
+1 hour
+2 hours
+2 hours
+2 hours
+2 hours
-1 hour
+1 hour