| Geyser | 1997-11-29 |
|---|---|
| Castle | 1145 E, 2320 E |
| Fan and Mortar | 0601 E |
| Values for Old Faithful Area | 1997-11-29 |
|---|---|
| Astronomical Twilight Begin | 05:54 |
| Nautical Twilight Begin | 06:28 |
| Civil Twilight Begin | 07:05 |
| Sunrise | 07:37 |
| Sunset | 16:45 |
| Civil Twilight End | 17:18 |
| Nautical Twilight End | 17:54 |
| Astronomical Twilight End | 18:29 |
| Moon Illumination | 0.69% |