| Values for Old Faithful Area | 1976-05-07 |
|---|---|
| Astronomical Twilight Begin | 04:04 |
| Nautical Twilight Begin | 04:50 |
| Civil Twilight Begin | 05:31 |
| Sunrise | 06:04 |
| Sunset | 20:34 |
| Civil Twilight End | 21:07 |
| Nautical Twilight End | 21:48 |
| Astronomical Twilight End | 22:35 |
| Moon Illumination | 50.35% |