| Values for Old Faithful Area | 1979-06-03 |
|---|---|
| Astronomical Twilight Begin | 03:19 |
| Nautical Twilight Begin | 04:17 |
| Civil Twilight Begin | 05:04 |
| Sunrise | 05:40 |
| Sunset | 21:01 |
| Civil Twilight End | 21:37 |
| Nautical Twilight End | 22:24 |
| Astronomical Twilight End | 23:23 |
| Moon Illumination | 52.95% |