| Values for Old Faithful Area | 1973-03-10 |
|---|---|
| Astronomical Twilight Begin | 05:07 |
| Nautical Twilight Begin | 05:41 |
| Civil Twilight Begin | 06:15 |
| Sunrise | 06:44 |
| Sunset | 18:22 |
| Civil Twilight End | 18:51 |
| Nautical Twilight End | 19:25 |
| Astronomical Twilight End | 19:59 |
| Moon Illumination | 32% |