| Values for Old Faithful Area | 1964-10-03 |
|---|---|
| Astronomical Twilight Begin | 04:47 |
| Nautical Twilight Begin | 05:21 |
| Civil Twilight Begin | 05:55 |
| Sunrise | 06:23 |
| Sunset | 18:00 |
| Civil Twilight End | 18:29 |
| Nautical Twilight End | 19:03 |
| Astronomical Twilight End | 19:37 |
| Moon Illumination | 6.55% |