| Geyser | 1933-07-29 |
|---|---|
| Ebony | 1310 |
| Valentine | 1745 |
| Whirligig | 0610, 0750, 0935, 1115, 1300, 1435, 1617 |
| Values for Old Faithful Area | 1933-07-29 |
|---|---|
| Astronomical Twilight Begin | 03:00 |
| Nautical Twilight Begin | 03:50 |
| Civil Twilight Begin | 04:32 |
| Sunrise | 05:06 |
| Sunset | 19:52 |
| Civil Twilight End | 20:26 |
| Nautical Twilight End | 21:08 |
| Astronomical Twilight End | 21:58 |
| Moon Illumination | 40.07% |