| Values for Old Faithful Area | 1933-07-23 |
|---|---|
| Astronomical Twilight Begin | 02:49 |
| Nautical Twilight Begin | 03:41 |
| Civil Twilight Begin | 04:25 |
| Sunrise | 05:00 |
| Sunset | 19:59 |
| Civil Twilight End | 20:33 |
| Nautical Twilight End | 21:17 |
| Astronomical Twilight End | 22:09 |
| Moon Illumination | 0.36% |