| Values for Old Faithful Area | 1990-03-11 |
|---|---|
| Astronomical Twilight Begin | 05:05 |
| Nautical Twilight Begin | 05:40 |
| Civil Twilight Begin | 06:13 |
| Sunrise | 06:42 |
| Sunset | 18:24 |
| Civil Twilight End | 18:52 |
| Nautical Twilight End | 19:26 |
| Astronomical Twilight End | 20:00 |
| Moon Illumination | 99.98% |