Astronomical observations Rapid City (United States)
| Sunrise | 06 h 29 am |
|---|---|
| Transition hour | 12 h 49 pm |
| Sunset | 07 h 09 pm |
| Starting of civil twilight | 05 h 59 am |
| Termination of civil twilight | 07 h 38 pm |
| Duration of sunshine | 12 h 40 |
| Sunrise | 08 h 16 am |
|---|---|
| Sunset | 07 h 36 pm |
| Fraction illuminated | 4 % (premier croissant) |