| Values for Old Faithful Area | 1973-04-08 |
|---|---|
| Astronomical Twilight Begin | 04:07 |
| Nautical Twilight Begin | 04:45 |
| Civil Twilight Begin | 05:21 |
| Sunrise | 05:51 |
| Sunset | 18:59 |
| Civil Twilight End | 19:28 |
| Nautical Twilight End | 20:04 |
| Astronomical Twilight End | 20:42 |
| Moon Illumination | 28.93% |