| Values for Old Faithful Area | 1964-05-11 |
|---|---|
| Astronomical Twilight Begin | 02:56 |
| Nautical Twilight Begin | 03:44 |
| Civil Twilight Begin | 04:26 |
| Sunrise | 04:59 |
| Sunset | 19:39 |
| Civil Twilight End | 20:12 |
| Nautical Twilight End | 20:54 |
| Astronomical Twilight End | 21:42 |
| Moon Illumination | 0.54% |