| Geyser | 1977-03-28 |
|---|---|
| Beehive | 1132 |
| Beehive's Indicator | 1118 ie |
| Old Faithful | 1129 |
| Values for Old Faithful Area | 1977-03-28 |
|---|---|
| Astronomical Twilight Begin | 04:31 |
| Nautical Twilight Begin | 05:07 |
| Civil Twilight Begin | 05:41 |
| Sunrise | 06:11 |
| Sunset | 18:45 |
| Civil Twilight End | 19:14 |
| Nautical Twilight End | 19:49 |
| Astronomical Twilight End | 20:25 |
| Moon Illumination | 53.55% |