Astronomical observations Chicago Heights (United States)
| Sunrise | 06 h 31 am |
|---|---|
| Transition hour | 11 h 34 am |
| Sunset | 04 h 37 pm |
| Starting of civil twilight | 06 h 01 am |
| Termination of civil twilight | 05 h 06 pm |
| Duration of sunshine | 10 h 06 |
| Sunrise | 07 h 01 am |
|---|---|
| Sunset | 04 h 54 pm |
| Fraction illuminated | 1 % (nouvelle lune) |