| Geyser | 1964-01-24 |
|---|---|
| Steamboat | 0000 |
| Values for Old Faithful Area | 1964-01-24 |
|---|---|
| Astronomical Twilight Begin | 06:08 |
| Nautical Twilight Begin | 06:43 |
| Civil Twilight Begin | 07:18 |
| Sunrise | 07:50 |
| Sunset | 17:20 |
| Civil Twilight End | 17:51 |
| Nautical Twilight End | 18:27 |
| Astronomical Twilight End | 19:01 |
| Moon Illumination | 72.84% |