| Values for Old Faithful Area | 2021-01-04 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 16:57 |
| Civil Twilight End | 17:30 |
| Nautical Twilight End | 18:07 |
| Astronomical Twilight End | 18:42 |
| Moon Illumination | 72.88% |