| Values for Old Faithful Area | 1975-04-03 |
|---|---|
| Astronomical Twilight Begin | 05:19 |
| Nautical Twilight Begin | 05:56 |
| Civil Twilight Begin | 06:31 |
| Sunrise | 07:00 |
| Sunset | 19:52 |
| Civil Twilight End | 20:21 |
| Nautical Twilight End | 20:56 |
| Astronomical Twilight End | 21:33 |
| Moon Illumination | 52.72% |