| Values for Old Faithful Area | 1933-07-28 |
|---|---|
| Astronomical Twilight Begin | 02:59 |
| Nautical Twilight Begin | 03:48 |
| Civil Twilight Begin | 04:31 |
| Sunrise | 05:05 |
| Sunset | 19:53 |
| Civil Twilight End | 20:27 |
| Nautical Twilight End | 21:10 |
| Astronomical Twilight End | 22:00 |
| Moon Illumination | 29.7% |