Astronomical observations Herndon (United States)
| Sunrise | 06 h 42 am |
|---|---|
| Transition hour | 11 h 53 am |
| Sunset | 05 h 03 pm |
| Starting of civil twilight | 06 h 14 am |
| Termination of civil twilight | 05 h 31 pm |
| Duration of sunshine | 10 h 21 |
| Sunrise | 04 h 02 am |
|---|---|
| Sunset | 03 h 26 pm |
| Fraction illuminated | 5 % (premier croissant) |