| Values for Old Faithful Area | 1933-07-16 |
|---|---|
| Astronomical Twilight Begin | 02:36 |
| Nautical Twilight Begin | 03:32 |
| Civil Twilight Begin | 04:18 |
| Sunrise | 04:53 |
| Sunset | 20:05 |
| Civil Twilight End | 20:40 |
| Nautical Twilight End | 21:25 |
| Astronomical Twilight End | 22:21 |
| Moon Illumination | 33.06% |