Astronomical observations Bostonia (United States)
| Sunrise | 06 h 15 am |
|---|---|
| Transition hour | 11 h 31 am |
| Sunset | 04 h 48 pm |
| Starting of civil twilight | 05 h 49 am |
| Termination of civil twilight | 05 h 14 pm |
| Duration of sunshine | 10 h 32 |
| Sunrise | 10 h 33 am |
|---|---|
| Sunset | 08 h 15 pm |
| Fraction illuminated | 10 % (premier croissant) |