Astronomical observations Port Arthur (United States)
| Sunrise | 06 h 56 am |
|---|---|
| Transition hour | 01 h 13 pm |
| Sunset | 07 h 29 pm |
| Starting of civil twilight | 06 h 32 am |
| Termination of civil twilight | 07 h 53 pm |
| Duration of sunshine | 12 h 33 |
| Sunrise | 03 h 10 am |
|---|---|
| Sunset | 05 h 05 pm |
| Fraction illuminated | 10 % (premier croissant) |