| Geyser | 1975-11-17 |
|---|---|
| Castle | 1255 ie min |
| Lion | 1253 ie, 1712 ie |
| Values for Old Faithful Area | 1975-11-17 |
|---|---|
| Astronomical Twilight Begin | 05:40 |
| Nautical Twilight Begin | 06:15 |
| Civil Twilight Begin | 06:50 |
| Sunrise | 07:21 |
| Sunset | 16:54 |
| Civil Twilight End | 17:26 |
| Nautical Twilight End | 18:01 |
| Astronomical Twilight End | 18:35 |
| Moon Illumination | 97.36% |