| Values for Old Faithful Area | 1933-07-25 |
|---|---|
| Astronomical Twilight Begin | 02:53 |
| Nautical Twilight Begin | 03:44 |
| Civil Twilight Begin | 04:28 |
| Sunrise | 05:02 |
| Sunset | 19:57 |
| Civil Twilight End | 20:31 |
| Nautical Twilight End | 21:14 |
| Astronomical Twilight End | 22:06 |
| Moon Illumination | 6.68% |