| Values for Old Faithful Area | 1980-09-05 |
|---|---|
| Astronomical Twilight Begin | 05:08 |
| Nautical Twilight Begin | 05:46 |
| Civil Twilight Begin | 06:21 |
| Sunrise | 06:51 |
| Sunset | 19:52 |
| Civil Twilight End | 20:22 |
| Nautical Twilight End | 20:57 |
| Astronomical Twilight End | 21:34 |
| Moon Illumination | 16.19% |