| Values for Old Faithful Area | 2025-03-21 |
|---|---|
| Astronomical Twilight Begin | 05:45 |
| Nautical Twilight Begin | 06:20 |
| Civil Twilight Begin | 06:54 |
| Sunrise | 07:23 |
| Sunset | 19:37 |
| Civil Twilight End | 20:06 |
| Nautical Twilight End | 20:40 |
| Astronomical Twilight End | 21:15 |
| Moon Illumination | 61.98% |