| Values for Old Faithful Area | 1976-10-06 |
|---|---|
| Astronomical Twilight Begin | 05:51 |
| Nautical Twilight Begin | 06:25 |
| Civil Twilight Begin | 06:58 |
| Sunrise | 07:27 |
| Sunset | 18:54 |
| Civil Twilight End | 19:23 |
| Nautical Twilight End | 19:57 |
| Astronomical Twilight End | 20:31 |
| Moon Illumination | 96.43% |