| Values for Old Faithful Area | 1996-04-18 |
|---|---|
| Astronomical Twilight Begin | 04:45 |
| Nautical Twilight Begin | 05:25 |
| Civil Twilight Begin | 06:02 |
| Sunrise | 06:33 |
| Sunset | 20:11 |
| Civil Twilight End | 20:42 |
| Nautical Twilight End | 21:19 |
| Astronomical Twilight End | 22:00 |
| Moon Illumination | 0.11% |