| Geyser | 1959-09-05 |
|---|---|
| Sapphire Pool | 0000 A |
| Values for Old Faithful Area | 1959-09-05 |
|---|---|
| Astronomical Twilight Begin | 04:07 |
| Nautical Twilight Begin | 04:44 |
| Civil Twilight Begin | 05:20 |
| Sunrise | 05:50 |
| Sunset | 18:54 |
| Civil Twilight End | 19:23 |
| Nautical Twilight End | 19:59 |
| Astronomical Twilight End | 20:36 |
| Moon Illumination | 6.13% |