| Geyser | 1974-04-23 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1974-04-23 |
|---|---|
| Astronomical Twilight Begin | 04:35 |
| Nautical Twilight Begin | 05:16 |
| Civil Twilight Begin | 05:54 |
| Sunrise | 06:25 |
| Sunset | 20:17 |
| Civil Twilight End | 20:48 |
| Nautical Twilight End | 21:26 |
| Astronomical Twilight End | 22:07 |
| Moon Illumination | 0.8% |