Values for Old Faithful Area2025-05-152025-05-16
Civil Twilight Begin05:2105:20
Sunrise05:5505:53
Sunset20:4420:45
Civil Twilight End21:1821:19
Moon Illumination94.04%88.56%
Last Known Eruption
Old Faithful

14h 24m ago

Grand

29m ago

Castle

12h 21m ago

Riverside

57m ago

Daisy

1h 28m ago

Great Fountain

2d 3h 33m ago

Beehive

1h 23m ago

Steamboat

30d 23h 3m ago