Astronomical observations Mason City (United States)
| Sunrise | 07 h 03 am |
|---|---|
| Transition hour | 11 h 57 am |
| Sunset | 04 h 50 pm |
| Starting of civil twilight | 06 h 32 am |
| Termination of civil twilight | 05 h 21 pm |
| Duration of sunshine | 09 h 47 |
| Sunrise | 11 h 21 am |
|---|---|
| Sunset | 07 h 55 pm |
| Fraction illuminated | 16 % (premier croissant) |
