| Geyser | 1933-06-28 |
|---|---|
| Ebony | 1410 |
| Valentine | 0000 |
| Values for Old Faithful Area | 1933-06-28 |
|---|---|
| Astronomical Twilight Begin | 02:13 |
| Nautical Twilight Begin | 03:15 |
| Civil Twilight Begin | 04:04 |
| Sunrise | 04:40 |
| Sunset | 20:12 |
| Civil Twilight End | 20:48 |
| Nautical Twilight End | 21:37 |
| Astronomical Twilight End | 22:39 |
| Moon Illumination | 24.01% |