| Values for Old Faithful Area | 2025-03-16 | 2025-03-17 |
|---|---|---|
| Astronomical Twilight Begin | 05:55 | 05:53 |
| Nautical Twilight Begin | 06:29 | 06:27 |
| Civil Twilight Begin | 07:03 | 07:01 |
| Sunrise | 07:32 | 07:30 |
| Sunset | 19:31 | 19:32 |
| Civil Twilight End | 19:59 | 20:01 |
| Nautical Twilight End | 20:33 | 20:35 |
| Astronomical Twilight End | 21:08 | 21:09 |
| Moon Illumination | 96.48% | 92.16% |