| Values for Old Faithful Area | 1973-03-15 |
|---|---|
| Astronomical Twilight Begin | 04:57 |
| Nautical Twilight Begin | 05:32 |
| Civil Twilight Begin | 06:06 |
| Sunrise | 06:35 |
| Sunset | 18:29 |
| Civil Twilight End | 18:58 |
| Nautical Twilight End | 19:32 |
| Astronomical Twilight End | 20:06 |
| Moon Illumination | 84.79% |