| Values for Old Faithful Area | 1975-05-06 |
|---|---|
| Astronomical Twilight Begin | 04:08 |
| Nautical Twilight Begin | 04:53 |
| Civil Twilight Begin | 05:34 |
| Sunrise | 06:06 |
| Sunset | 20:32 |
| Civil Twilight End | 21:05 |
| Nautical Twilight End | 21:45 |
| Astronomical Twilight End | 22:31 |
| Moon Illumination | 22.99% |