Astronomical observations Boston (United States)
| Sunrise | 05 h 12 am |
|---|---|
| Transition hour | 12 h 48 pm |
| Sunset | 08 h 24 pm |
| Starting of civil twilight | 04 h 38 am |
| Termination of civil twilight | 08 h 59 pm |
| Duration of sunshine | 15 h 12 |
| Sunrise | 10 h 44 pm |
|---|---|
| Sunset | 08 h 32 am |
| Fraction illuminated | 91 % (dernier croissant) |