| Geyser | 1971-03-20 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1971-03-20 |
|---|---|
| Astronomical Twilight Begin | 04:49 |
| Nautical Twilight Begin | 05:23 |
| Civil Twilight Begin | 05:57 |
| Sunrise | 06:26 |
| Sunset | 18:34 |
| Civil Twilight End | 19:03 |
| Nautical Twilight End | 19:37 |
| Astronomical Twilight End | 20:12 |
| Moon Illumination | 48.05% |