| Geyser | 1977-03-19 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1977-03-19 |
|---|---|
| Astronomical Twilight Begin | 04:50 |
| Nautical Twilight Begin | 05:24 |
| Civil Twilight Begin | 05:58 |
| Sunrise | 06:27 |
| Sunset | 18:34 |
| Civil Twilight End | 19:03 |
| Nautical Twilight End | 19:37 |
| Astronomical Twilight End | 20:12 |
| Moon Illumination | 0.24% |