Astronomical observations SeaTac (United States)
| Sunrise | 06 h 59 am |
|---|---|
| Transition hour | 11 h 52 am |
| Sunset | 04 h 46 pm |
| Starting of civil twilight | 06 h 27 am |
| Termination of civil twilight | 05 h 18 pm |
| Duration of sunshine | 09 h 46 |
| Sunrise | 03 h 07 am |
|---|---|
| Sunset | 02 h 59 pm |
| Fraction illuminated | 13 % (premier croissant) |
