| Geyser | 1905-04-29 |
|---|---|
| King | 1815 |
| Values for Old Faithful Area | 1905-04-29 |
|---|---|
| Astronomical Twilight Begin | 03:22 |
| Nautical Twilight Begin | 04:06 |
| Civil Twilight Begin | 04:45 |
| Sunrise | 05:16 |
| Sunset | 19:24 |
| Civil Twilight End | 19:55 |
| Nautical Twilight End | 20:35 |
| Astronomical Twilight End | 21:18 |
| Moon Illumination | 24% |