| Values for Old Faithful Area | 1933-07-24 |
|---|---|
| Astronomical Twilight Begin | 02:51 |
| Nautical Twilight Begin | 03:43 |
| Civil Twilight Begin | 04:27 |
| Sunrise | 05:01 |
| Sunset | 19:58 |
| Civil Twilight End | 20:32 |
| Nautical Twilight End | 21:16 |
| Astronomical Twilight End | 22:07 |
| Moon Illumination | 2.54% |