| Values for Old Faithful Area | 2019-07-30 |
|---|---|
| Astronomical Twilight Begin | 04:03 |
| Nautical Twilight Begin | 04:52 |
| Civil Twilight Begin | 05:34 |
| Sunrise | 06:08 |
| Sunset | 20:51 |
| Civil Twilight End | 21:24 |
| Nautical Twilight End | 22:07 |
| Astronomical Twilight End | 22:56 |
| Moon Illumination | 5.04% |