| Values for Old Faithful Area | 1996-05-13 |
|---|---|
| Astronomical Twilight Begin | 03:51 |
| Nautical Twilight Begin | 04:41 |
| Civil Twilight Begin | 05:23 |
| Sunrise | 05:57 |
| Sunset | 20:42 |
| Civil Twilight End | 21:15 |
| Nautical Twilight End | 21:58 |
| Astronomical Twilight End | 22:47 |
| Moon Illumination | 18.71% |