| Geyser | 1974-02-20 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1974-02-20 |
|---|---|
| Astronomical Twilight Begin | 06:38 |
| Nautical Twilight Begin | 07:12 |
| Civil Twilight Begin | 07:45 |
| Sunrise | 08:15 |
| Sunset | 18:58 |
| Civil Twilight End | 19:28 |
| Nautical Twilight End | 20:02 |
| Astronomical Twilight End | 20:35 |
| Moon Illumination | 3.63% |