| Values for Old Faithful Area | 1993-10-12 |
|---|---|
| Astronomical Twilight Begin | 05:58 |
| Nautical Twilight Begin | 06:32 |
| Civil Twilight Begin | 07:05 |
| Sunrise | 07:35 |
| Sunset | 18:44 |
| Civil Twilight End | 19:13 |
| Nautical Twilight End | 19:47 |
| Astronomical Twilight End | 20:20 |
| Moon Illumination | 15.07% |