| Geyser | 1941-01-17 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1941-01-17 |
|---|---|
| Astronomical Twilight Begin | 06:12 |
| Nautical Twilight Begin | 06:47 |
| Civil Twilight Begin | 07:23 |
| Sunrise | 07:55 |
| Sunset | 17:12 |
| Civil Twilight End | 17:44 |
| Nautical Twilight End | 18:19 |
| Astronomical Twilight End | 18:54 |
| Moon Illumination | 82.78% |