| Geyser | 1974-02-21 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1974-02-21 |
|---|---|
| Astronomical Twilight Begin | 06:36 |
| Nautical Twilight Begin | 07:10 |
| Civil Twilight Begin | 07:44 |
| Sunrise | 08:13 |
| Sunset | 19:00 |
| Civil Twilight End | 19:29 |
| Nautical Twilight End | 20:03 |
| Astronomical Twilight End | 20:36 |
| Moon Illumination | 0.91% |