| Values for Old Faithful Area | 2025-04-28 | 2025-04-29 |
|---|---|---|
| Astronomical Twilight Begin | 04:23 | 04:21 |
| Nautical Twilight Begin | 05:06 | 05:04 |
| Civil Twilight Begin | 05:45 | 05:43 |
| Sunrise | 06:17 | 06:15 |
| Sunset | 20:24 | 20:25 |
| Civil Twilight End | 20:55 | 20:57 |
| Nautical Twilight End | 21:35 | 21:36 |
| Astronomical Twilight End | 22:18 | 22:20 |
| Moon Illumination | 0.31% | 3.2% |