| Values for Old Faithful Area | 1973-05-07 |
|---|---|
| Astronomical Twilight Begin | 04:04 |
| Nautical Twilight Begin | 04:51 |
| Civil Twilight Begin | 05:32 |
| Sunrise | 06:05 |
| Sunset | 20:34 |
| Civil Twilight End | 21:07 |
| Nautical Twilight End | 21:48 |
| Astronomical Twilight End | 22:34 |
| Moon Illumination | 25.56% |