| Values for Old Faithful Area | 1975-03-09 |
|---|---|
| Astronomical Twilight Begin | 06:10 |
| Nautical Twilight Begin | 06:44 |
| Civil Twilight Begin | 07:18 |
| Sunrise | 07:46 |
| Sunset | 19:21 |
| Civil Twilight End | 19:49 |
| Nautical Twilight End | 20:23 |
| Astronomical Twilight End | 20:57 |
| Moon Illumination | 12.13% |