| Values for Old Faithful Area | 1992-03-17 |
|---|---|
| Astronomical Twilight Begin | 04:53 |
| Nautical Twilight Begin | 05:27 |
| Civil Twilight Begin | 06:01 |
| Sunrise | 06:30 |
| Sunset | 18:32 |
| Civil Twilight End | 19:01 |
| Nautical Twilight End | 19:35 |
| Astronomical Twilight End | 20:09 |
| Moon Illumination | 96.95% |