| Geyser | 2000-05-05 |
|---|---|
| Fountain | 2027 |
| Values for Old Faithful Area | 2000-05-05 |
|---|---|
| Astronomical Twilight Begin | 04:08 |
| Nautical Twilight Begin | 04:53 |
| Civil Twilight Begin | 05:34 |
| Sunrise | 06:07 |
| Sunset | 20:32 |
| Civil Twilight End | 21:05 |
| Nautical Twilight End | 21:45 |
| Astronomical Twilight End | 22:31 |
| Moon Illumination | 1.62% |