Astronomical observations Rockville (United States)
| Sunrise | 06 h 43 am |
|---|---|
| Transition hour | 11 h 52 am |
| Sunset | 05 h 01 pm |
| Starting of civil twilight | 06 h 15 am |
| Termination of civil twilight | 05 h 29 pm |
| Duration of sunshine | 10 h 18 |
| Sunrise | 05 h 06 am |
|---|---|
| Sunset | 03 h 50 pm |
| Fraction illuminated | 2 % (nouvelle lune) |