| Values for Old Faithful Area | 1964-06-12 |
|---|---|
| Astronomical Twilight Begin | 02:10 |
| Nautical Twilight Begin | 03:13 |
| Civil Twilight Begin | 04:01 |
| Sunrise | 04:37 |
| Sunset | 20:08 |
| Civil Twilight End | 20:44 |
| Nautical Twilight End | 21:33 |
| Astronomical Twilight End | 22:35 |
| Moon Illumination | 6.64% |