| Values for Old Faithful Area | 2012-04-06 |
|---|---|
| Astronomical Twilight Begin | 05:11 |
| Nautical Twilight Begin | 05:48 |
| Civil Twilight Begin | 06:24 |
| Sunrise | 06:53 |
| Sunset | 19:57 |
| Civil Twilight End | 20:26 |
| Nautical Twilight End | 21:02 |
| Astronomical Twilight End | 21:39 |
| Moon Illumination | 99.51% |