Astronomical observations Round Lake Beach (United States)
| Sunrise | 06 h 38 am |
|---|---|
| Transition hour | 11 h 36 am |
| Sunset | 04 h 34 pm |
| Starting of civil twilight | 06 h 08 am |
| Termination of civil twilight | 05 h 04 pm |
| Duration of sunshine | 09 h 55 |
| Sunrise | 10 h 17 am |
|---|---|
| Sunset | 06 h 47 pm |
| Fraction illuminated | 4 % (premier croissant) |
