| Geyser | 1948-09-07 |
|---|---|
| Morning | 1330 |
| Values for Old Faithful Area | 1948-09-07 |
|---|---|
| Astronomical Twilight Begin | 04:11 |
| Nautical Twilight Begin | 04:48 |
| Civil Twilight Begin | 05:23 |
| Sunrise | 05:53 |
| Sunset | 18:49 |
| Civil Twilight End | 19:18 |
| Nautical Twilight End | 19:54 |
| Astronomical Twilight End | 20:30 |
| Moon Illumination | 19.77% |