| Geyser | 1976-03-30 |
|---|---|
| Beehive | 1328 |
| Values for Old Faithful Area | 1976-03-30 |
|---|---|
| Astronomical Twilight Begin | 04:26 |
| Nautical Twilight Begin | 05:02 |
| Civil Twilight Begin | 05:37 |
| Sunrise | 06:06 |
| Sunset | 18:48 |
| Civil Twilight End | 19:17 |
| Nautical Twilight End | 19:52 |
| Astronomical Twilight End | 20:28 |
| Moon Illumination | 0.17% |