| Geyser | 1975-03-27 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1975-03-27 |
|---|---|
| Astronomical Twilight Begin | 05:34 |
| Nautical Twilight Begin | 06:10 |
| Civil Twilight Begin | 06:44 |
| Sunrise | 07:13 |
| Sunset | 19:43 |
| Civil Twilight End | 20:12 |
| Nautical Twilight End | 20:47 |
| Astronomical Twilight End | 21:22 |
| Moon Illumination | 99.94% |