Astronomical observations Ostrołęka (Poland)
| Sunrise | 06 h 48 am |
|---|---|
| Transition hour | 11 h 17 am |
| Sunset | 03 h 46 pm |
| Starting of civil twilight | 06 h 10 am |
| Termination of civil twilight | 04 h 24 pm |
| Duration of sunshine | 08 h 58 |
| Sunrise | 08 h 34 am |
|---|---|
| Sunset | 03 h 35 pm |
| Fraction illuminated | 1 % (nouvelle lune) |