| Geyser | 1954-09-21 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1954-09-21 |
|---|---|
| Astronomical Twilight Begin | 04:30 |
| Nautical Twilight Begin | 05:05 |
| Civil Twilight Begin | 05:40 |
| Sunrise | 06:08 |
| Sunset | 18:23 |
| Civil Twilight End | 18:52 |
| Nautical Twilight End | 19:27 |
| Astronomical Twilight End | 20:02 |
| Moon Illumination | 30.66% |