Astronomical observations Park Forest (United States)
| Sunrise | 06 h 27 am |
|---|---|
| Transition hour | 11 h 34 am |
| Sunset | 04 h 41 pm |
| Starting of civil twilight | 05 h 58 am |
| Termination of civil twilight | 05 h 09 pm |
| Duration of sunshine | 10 h 13 |
| Sunrise | 03 h 41 am |
|---|---|
| Sunset | 03 h 43 pm |
| Fraction illuminated | 10 % (premier croissant) |