| Geyser | 1963-09-24 |
|---|---|
| Steamboat | 0000 |
| Values for Old Faithful Area | 1963-09-24 |
|---|---|
| Astronomical Twilight Begin | 04:34 |
| Nautical Twilight Begin | 05:09 |
| Civil Twilight Begin | 05:43 |
| Sunrise | 06:12 |
| Sunset | 18:18 |
| Civil Twilight End | 18:47 |
| Nautical Twilight End | 19:21 |
| Astronomical Twilight End | 19:56 |
| Moon Illumination | 33.72% |