| Values for Old Faithful Area | 2025-05-25 | 2025-05-26 |
|---|---|---|
| Astronomical Twilight Begin | 03:30 | 03:29 |
| Nautical Twilight Begin | 04:25 | 04:24 |
| Civil Twilight Begin | 05:10 | 05:09 |
| Sunrise | 05:45 | 05:45 |
| Sunset | 20:54 | 20:55 |
| Civil Twilight End | 21:29 | 21:30 |
| Nautical Twilight End | 22:15 | 22:16 |
| Astronomical Twilight End | 23:10 | 23:11 |
| Moon Illumination | 5.26% | 1.16% |