Astronomical observations Vieques Municipality (Puerto Rico)
| Sunrise | 06 h 22 am |
|---|---|
| Transition hour | 12 h 05 pm |
| Sunset | 05 h 48 pm |
| Starting of civil twilight | 05 h 59 am |
| Termination of civil twilight | 06 h 11 pm |
| Duration of sunshine | 11 h 26 |
| Sunrise | 01 h 18 am |
|---|---|
| Sunset | 02 h 09 pm |
| Fraction illuminated | 30 % (lune gibbeuse) |