| Geyser | 1976-04-11 |
|---|---|
| Beehive | 0808, 1934 |
| Beehive's Indicator | 0753 ie, 1520 ie, 1919 ie |
| Castle | 0834 ie, 1810 ie |
| Vault | 1317 |
| Values for Old Faithful Area | 1976-04-11 |
|---|---|
| Astronomical Twilight Begin | 04:00 |
| Nautical Twilight Begin | 04:39 |
| Civil Twilight Begin | 05:15 |
| Sunrise | 05:45 |
| Sunset | 19:03 |
| Civil Twilight End | 19:33 |
| Nautical Twilight End | 20:09 |
| Astronomical Twilight End | 20:47 |
| Moon Illumination | 85.26% |