Astronomical observations Naperville (United States)
| Sunrise | 05 h 51 am |
|---|---|
| Transition hour | 12 h 58 pm |
| Sunset | 08 h 04 pm |
| Starting of civil twilight | 05 h 21 am |
| Termination of civil twilight | 08 h 35 pm |
| Duration of sunshine | 14 h 12 |
| Sunrise | 11 h 55 pm |
|---|---|
| Sunset | 02 h 43 pm |
| Fraction illuminated | 44 % (lune gibbeuse) |