| Values for Old Faithful Area | 2025-07-09 | 2025-07-10 |
|---|---|---|
| Astronomical Twilight Begin | 03:27 | 03:28 |
| Nautical Twilight Begin | 04:25 | 04:26 |
| Civil Twilight Begin | 05:12 | 05:13 |
| Sunrise | 05:48 | 05:49 |
| Sunset | 21:08 | 21:08 |
| Civil Twilight End | 21:44 | 21:44 |
| Nautical Twilight End | 22:31 | 22:30 |
| Astronomical Twilight End | 23:30 | 23:28 |
| Moon Illumination | 97.3% | 99.59% |