Astronomical observations North Potomac (United States)
| Sunrise | 06 h 39 am |
|---|---|
| Transition hour | 11 h 52 am |
| Sunset | 05 h 06 pm |
| Starting of civil twilight | 06 h 11 am |
| Termination of civil twilight | 05 h 33 pm |
| Duration of sunshine | 10 h 27 |
| Sunrise | 12 h 42 am |
|---|---|
| Sunset | 02 h 14 pm |
| Fraction illuminated | 28 % (lune gibbeuse) |