| Values for Old Faithful Area | 1964-09-02 |
|---|---|
| Astronomical Twilight Begin | 04:03 |
| Nautical Twilight Begin | 04:41 |
| Civil Twilight Begin | 05:17 |
| Sunrise | 05:47 |
| Sunset | 18:58 |
| Civil Twilight End | 19:27 |
| Nautical Twilight End | 20:03 |
| Astronomical Twilight End | 20:41 |
| Moon Illumination | 18.94% |