| Geyser | 1977-04-07 |
|---|---|
| Beehive | 0859 |
| Beehive's Indicator | 0852 ie |
| Old Faithful | 0906 long |
| Values for Old Faithful Area | 1977-04-07 |
|---|---|
| Astronomical Twilight Begin | 04:10 |
| Nautical Twilight Begin | 04:47 |
| Civil Twilight Begin | 05:23 |
| Sunrise | 05:52 |
| Sunset | 18:57 |
| Civil Twilight End | 19:27 |
| Nautical Twilight End | 20:03 |
| Astronomical Twilight End | 20:40 |
| Moon Illumination | 86.39% |