Astronomical observations Chelmsford (United States)
| Sunrise | 05 h 09 am |
|---|---|
| Transition hour | 12 h 48 pm |
| Sunset | 08 h 27 pm |
| Starting of civil twilight | 04 h 34 am |
| Termination of civil twilight | 09 h 02 pm |
| Duration of sunshine | 15 h 18 |
| Sunrise | 05 h 00 pm |
|---|---|
| Sunset | 01 h 44 am |
| Fraction illuminated | 83 % (dernier croissant) |