| Values for Old Faithful Area | 1993-10-25 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:48 |
| Civil Twilight Begin | 07:22 |
| Sunrise | 07:51 |
| Sunset | 18:22 |
| Civil Twilight End | 18:52 |
| Nautical Twilight End | 19:26 |
| Astronomical Twilight End | 20:00 |
| Moon Illumination | 76.79% |