| Geyser | 1997-11-22 |
|---|---|
| Castle | 0135 E, 1305 E |
| Values for Old Faithful Area | 1997-11-22 |
|---|---|
| Astronomical Twilight Begin | 05:46 |
| Nautical Twilight Begin | 06:21 |
| Civil Twilight Begin | 06:57 |
| Sunrise | 07:29 |
| Sunset | 16:50 |
| Civil Twilight End | 17:21 |
| Nautical Twilight End | 17:57 |
| Astronomical Twilight End | 18:32 |
| Moon Illumination | 47.36% |