Astronomical observations Cheyenne (United States)
| Sunrise | 06 h 42 am |
|---|---|
| Transition hour | 11 h 43 am |
| Sunset | 04 h 43 pm |
| Starting of civil twilight | 06 h 13 am |
| Termination of civil twilight | 05 h 13 pm |
| Duration of sunshine | 10 h 01 |
| Sunrise | 10 h 21 am |
|---|---|
| Sunset | 07 h 01 pm |
| Fraction illuminated | 8 % (premier croissant) |
