| Values for Old Faithful Area | 1933-08-27 |
|---|---|
| Astronomical Twilight Begin | 03:53 |
| Nautical Twilight Begin | 04:32 |
| Civil Twilight Begin | 05:09 |
| Sunrise | 05:39 |
| Sunset | 19:09 |
| Civil Twilight End | 19:39 |
| Nautical Twilight End | 20:16 |
| Astronomical Twilight End | 20:56 |
| Moon Illumination | 37.23% |