| Values for Old Faithful Area | 1993-10-30 |
|---|---|
| Astronomical Twilight Begin | 06:20 |
| Nautical Twilight Begin | 06:54 |
| Civil Twilight Begin | 07:28 |
| Sunrise | 07:58 |
| Sunset | 18:15 |
| Civil Twilight End | 18:45 |
| Nautical Twilight End | 19:19 |
| Astronomical Twilight End | 19:53 |
| Moon Illumination | 99.92% |