Astronomical observations Langley Park (United States)
| Sunrise | 06 h 22 am |
|---|---|
| Transition hour | 01 h 12 pm |
| Sunset | 08 h 01 pm |
| Starting of civil twilight | 05 h 54 am |
| Termination of civil twilight | 08 h 30 pm |
| Duration of sunshine | 13 h 39 |
| Sunrise | 09 h 41 am |
|---|---|
| Sunset | 08 h 54 pm |
| Fraction illuminated | 18 % (premier croissant) |