| Values for Old Faithful Area | 1973-03-09 |
|---|---|
| Astronomical Twilight Begin | 05:09 |
| Nautical Twilight Begin | 05:43 |
| Civil Twilight Begin | 06:17 |
| Sunrise | 06:46 |
| Sunset | 18:21 |
| Civil Twilight End | 18:50 |
| Nautical Twilight End | 19:24 |
| Astronomical Twilight End | 19:58 |
| Moon Illumination | 21.82% |