Astronomical observations Grand Rapids (United States)
| Sunrise | 07 h 15 am |
|---|---|
| Transition hour | 01 h 40 pm |
| Sunset | 08 h 05 pm |
| Starting of civil twilight | 06 h 46 am |
| Termination of civil twilight | 08 h 34 pm |
| Duration of sunshine | 12 h 50 |
| Sunrise | 03 h 03 am |
|---|---|
| Sunset | 05 h 57 pm |
| Fraction illuminated | 6 % (premier croissant) |