| Values for Old Faithful Area | 1993-02-23 |
|---|---|
| Astronomical Twilight Begin | 05:33 |
| Nautical Twilight Begin | 06:06 |
| Civil Twilight Begin | 06:40 |
| Sunrise | 07:09 |
| Sunset | 18:03 |
| Civil Twilight End | 18:32 |
| Nautical Twilight End | 19:06 |
| Astronomical Twilight End | 19:40 |
| Moon Illumination | 2.73% |