Astronomical observations Upper Alton (United States)
| Sunrise | 06 h 39 am |
|---|---|
| Transition hour | 11 h 44 am |
| Sunset | 04 h 50 pm |
| Starting of civil twilight | 06 h 10 am |
| Termination of civil twilight | 05 h 18 pm |
| Duration of sunshine | 10 h 11 |
| Sunrise | 09 h 12 am |
|---|---|
| Sunset | 06 h 10 pm |
| Fraction illuminated | 6 % (premier croissant) |
