Astronomical observations Guayanilla Municipio (Puerto Rico)
| Sunrise | 06 h 27 am |
|---|---|
| Transition hour | 12 h 10 pm |
| Sunset | 05 h 53 pm |
| Starting of civil twilight | 06 h 05 am |
| Termination of civil twilight | 06 h 16 pm |
| Duration of sunshine | 11 h 25 |
| Sunrise | 02 h 18 am |
|---|---|
| Sunset | 02 h 51 pm |
| Fraction illuminated | 23 % (premier quartier) |