| Geyser | 1977-10-05 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1977-10-05 |
|---|---|
| Astronomical Twilight Begin | 05:49 |
| Nautical Twilight Begin | 06:23 |
| Civil Twilight Begin | 06:57 |
| Sunrise | 07:26 |
| Sunset | 18:57 |
| Civil Twilight End | 19:26 |
| Nautical Twilight End | 19:59 |
| Astronomical Twilight End | 20:33 |
| Moon Illumination | 51.29% |