| Values for Old Faithful Area | 1933-08-04 |
|---|---|
| Astronomical Twilight Begin | 03:12 |
| Nautical Twilight Begin | 03:59 |
| Civil Twilight Begin | 04:40 |
| Sunrise | 05:13 |
| Sunset | 19:45 |
| Civil Twilight End | 20:18 |
| Nautical Twilight End | 20:59 |
| Astronomical Twilight End | 21:46 |
| Moon Illumination | 96.64% |