| Values for Old Faithful Area | 2001-03-26 |
|---|---|
| Astronomical Twilight Begin | 04:35 |
| Nautical Twilight Begin | 05:10 |
| Civil Twilight Begin | 05:45 |
| Sunrise | 06:14 |
| Sunset | 18:43 |
| Civil Twilight End | 19:12 |
| Nautical Twilight End | 19:46 |
| Astronomical Twilight End | 20:22 |
| Moon Illumination | 1.53% |