| Geyser | 1966-03-22 |
|---|---|
| Steamboat | 0000 |
| Values for Old Faithful Area | 1966-03-22 |
|---|---|
| Astronomical Twilight Begin | 04:44 |
| Nautical Twilight Begin | 05:19 |
| Civil Twilight Begin | 05:53 |
| Sunrise | 06:22 |
| Sunset | 18:37 |
| Civil Twilight End | 19:06 |
| Nautical Twilight End | 19:40 |
| Astronomical Twilight End | 20:15 |
| Moon Illumination | 0.01% |