| Values for Old Faithful Area | 1933-07-22 |
|---|---|
| Astronomical Twilight Begin | 02:47 |
| Nautical Twilight Begin | 03:40 |
| Civil Twilight Begin | 04:24 |
| Sunrise | 04:59 |
| Sunset | 20:00 |
| Civil Twilight End | 20:34 |
| Nautical Twilight End | 21:18 |
| Astronomical Twilight End | 22:11 |
| Moon Illumination | 0.15% |