| Geyser | 1979-06-06 |
|---|---|
| Echinus | 0945 ie |
| Values for Old Faithful Area | 1979-06-06 |
|---|---|
| Astronomical Twilight Begin | 03:15 |
| Nautical Twilight Begin | 04:15 |
| Civil Twilight Begin | 05:03 |
| Sunrise | 05:39 |
| Sunset | 21:04 |
| Civil Twilight End | 21:40 |
| Nautical Twilight End | 22:27 |
| Astronomical Twilight End | 23:27 |
| Moon Illumination | 80.13% |