| Values for Old Faithful Area | 1994-12-04 |
|---|---|
| Astronomical Twilight Begin | 05:58 |
| Nautical Twilight Begin | 06:33 |
| Civil Twilight Begin | 07:10 |
| Sunrise | 07:42 |
| Sunset | 16:44 |
| Civil Twilight End | 17:17 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 2.56% |