| Values for Old Faithful Area | 2004-08-11 |
|---|---|
| Astronomical Twilight Begin | 04:27 |
| Nautical Twilight Begin | 05:10 |
| Civil Twilight Begin | 05:50 |
| Sunrise | 06:22 |
| Sunset | 20:34 |
| Civil Twilight End | 21:06 |
| Nautical Twilight End | 21:45 |
| Astronomical Twilight End | 22:29 |
| Moon Illumination | 20.31% |