| Geyser | 1972-12-29 |
|---|---|
| Old Faithful | 0918, 1005, 1119, 1219, 1330, 1439, 1534, 1653 |
| Values for Old Faithful Area | 1972-12-29 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 16:51 |
| Civil Twilight End | 17:25 |
| Nautical Twilight End | 18:01 |
| Astronomical Twilight End | 18:37 |
| Moon Illumination | 32.48% |