| Values for Old Faithful Area | 2025-03-18 | 2025-03-19 |
|---|---|---|
| Astronomical Twilight Begin | 05:51 | 05:49 |
| Nautical Twilight Begin | 06:25 | 06:24 |
| Civil Twilight Begin | 06:59 | 06:58 |
| Sunrise | 07:28 | 07:26 |
| Sunset | 19:33 | 19:34 |
| Civil Twilight End | 20:02 | 20:03 |
| Nautical Twilight End | 20:36 | 20:37 |
| Astronomical Twilight End | 21:11 | 21:12 |
| Moon Illumination | 86.35% | 79.25% |