| Geyser | 1975-04-01 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1975-04-01 |
|---|---|
| Astronomical Twilight Begin | 05:24 |
| Nautical Twilight Begin | 06:00 |
| Civil Twilight Begin | 06:35 |
| Sunrise | 07:04 |
| Sunset | 19:49 |
| Civil Twilight End | 20:19 |
| Nautical Twilight End | 20:54 |
| Astronomical Twilight End | 21:30 |
| Moon Illumination | 72.37% |