| Geyser | 1997-12-05 |
|---|---|
| Castle | 0525 E, 1645 E |
| Values for Old Faithful Area | 1997-12-05 |
|---|---|
| Astronomical Twilight Begin | 05:59 |
| Nautical Twilight Begin | 06:34 |
| Civil Twilight Begin | 07:11 |
| Sunrise | 07:44 |
| Sunset | 16:44 |
| Civil Twilight End | 17:16 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 28.52% |