Time in Sioux City and Rapid City
The time difference between Sioux City, Iowa and Rapid City, South Dakota is 1 hour. Rapid City is 1 hour behind Sioux City.
This means 9am in Sioux City is 8am in Rapid City and 5pm in Sioux City is 4pm in Rapid City.
Sioux City
- The current local time in Sioux City is 5:04 pm (August 3, 2026)
- Sioux City is in the Central Daylight Time Zone
- The time zone offset for Sioux City, United States, is UTC-05:00
Rapid City
- The current local time in Rapid City is 4:04 pm (August 3, 2026)
- Rapid City is in the Mountain Daylight Time Zone
- The time zone offset for Rapid City, United States, is UTC-06:00
How to convert Sioux City time to Rapid City time?
Subtract 1 hour from Sioux City time to get Rapid City time.
Time in Sioux City
00:00
Time in Rapid City
00:00
Use the slider above to convert Sioux City time to Rapid City 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
| Sioux City | Rapid City |
|---|---|
| 12am | 11pm |
| 1am | 12am |
| 2am | 1am |
| 3am | 2am |
| 4am | 3am |
| 5am | 4am |
| 6am | 5am |
| 7am | 6am |
| 8am | 7am |
| 9am | 8am |
| 10am | 9am |
| 11am | 10am |
| 12pm | 11am |
| 1pm | 12pm |
| 2pm | 1pm |
| 3pm | 2pm |
| 4pm | 3pm |
| 5pm | 4pm |
| 6pm | 5pm |
| 7pm | 6pm |
| 8pm | 7pm |
| 9pm | 8pm |
| 10pm | 9pm |
| 11pm | 10pm |
Time difference from Sioux City (UTC-05:00)
+1 hour
-2 hours
-1 hour
+1 hour
-3 hours
-2 hours
-2 hours
+1 hour
-1 hour
-1 hour