| Geyser | 1974-02-17 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1974-02-17 |
|---|---|
| Astronomical Twilight Begin | 06:42 |
| Nautical Twilight Begin | 07:16 |
| Civil Twilight Begin | 07:50 |
| Sunrise | 08:20 |
| Sunset | 18:54 |
| Civil Twilight End | 19:24 |
| Nautical Twilight End | 19:58 |
| Astronomical Twilight End | 20:31 |
| Moon Illumination | 21.01% |