Astronomical observations Langley Park (United States)
| Sunrise | 05 h 41 am |
|---|---|
| Transition hour | 01 h 09 pm |
| Sunset | 08 h 36 pm |
| Starting of civil twilight | 05 h 09 am |
| Termination of civil twilight | 09 h 08 pm |
| Duration of sunshine | 14 h 54 |
| Sunrise | 08 h 35 am |
|---|---|
| Sunset | 10 h 50 pm |
| Fraction illuminated | 15 % (premier croissant) |