| Geyser | 2025-07-20 |
|---|---|
| Beehive | 0640 wc |
| Beehive's Indicator | 0618 wc |
| Castle | 0733 wc |
| Daisy | 0517 wc |
| Event Non-Geyser Related | 0058 |
| Little Squirt | 0544 ie wc |
| Old Faithful | 0539 wc long, 0711 wc long |
| Sawmill | 0511 wc |
| Values for Old Faithful Area | 2025-07-20 | 2025-07-21 |
|---|---|---|
| Astronomical Twilight Begin | 03:45 | 03:47 |
| Nautical Twilight Begin | 04:39 | 04:40 |
| Civil Twilight Begin | 05:23 | 05:24 |
| Sunrise | 05:58 | 05:59 |
| Sunset | 21:01 | 21:00 |
| Civil Twilight End | 21:35 | 21:34 |
| Nautical Twilight End | 22:20 | 22:19 |
| Astronomical Twilight End | 23:13 | 23:11 |
| Moon Illumination | 25.36% | 15.96% |