| Geyser | 1933-08-07 |
|---|---|
| Ebony | 1510 |
| Valentine | 1015 |
| Whirligig | 0720, 0900, 1037, 1220, 1402, 1545, 1730 |
| Values for Old Faithful Area | 1933-08-07 |
|---|---|
| Astronomical Twilight Begin | 03:18 |
| Nautical Twilight Begin | 04:03 |
| Civil Twilight Begin | 04:44 |
| Sunrise | 05:16 |
| Sunset | 19:41 |
| Civil Twilight End | 20:13 |
| Nautical Twilight End | 20:54 |
| Astronomical Twilight End | 21:39 |
| Moon Illumination | 97.07% |