| Values for Old Faithful Area | 2006-04-22 |
|---|---|
| Astronomical Twilight Begin | 04:37 |
| Nautical Twilight Begin | 05:18 |
| Civil Twilight Begin | 05:56 |
| Sunrise | 06:27 |
| Sunset | 20:16 |
| Civil Twilight End | 20:47 |
| Nautical Twilight End | 21:25 |
| Astronomical Twilight End | 22:06 |
| Moon Illumination | 37.64% |