Time in Rapid City and Philadelphia
The time difference between Rapid City, South Dakota, and Philadelphia, Pennsylvania, is 2 hours. Philadelphia is 2 hours ahead of Rapid City.
This means 9am in Rapid City is 11am in Philadelphia and 5pm in Rapid City is 7pm in Philadelphia.
Rapid City
- The current local time in Rapid City is 11:23 pm (June 13, 2026)
- Rapid City is in the Mountain Daylight Time Zone
- The time zone offset for Rapid City, United States, is UTC-06:00
Philadelphia
- The current local time in Philadelphia is 1:23 am (June 13, 2026)
- Philadelphia is in the Eastern Daylight Time Zone
- The time zone offset for Philadelphia, United States, is UTC-04:00
How to convert Rapid City time to Philadelphia time?
Add 2 hours to Rapid City time to get Philadelphia time.
Time in Rapid City
00:00
Time in Philadelphia
00:00
Use the slider above to convert Rapid City time to Philadelphia 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 | Philadelphia |
|---|---|
| 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 | 12am |
| 11pm | 1am |
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