Values for Old Faithful Area2025-07-252025-07-26
Civil Twilight Begin05:2905:30
Sunrise06:0306:04
Sunset20:5620:55
Civil Twilight End21:3021:29
Moon Illumination0.25%2.52%
Last Known Eruption
Old Faithful

1h 18m ago

Grand

3h 14m ago

Castle

5h 11m ago

Riverside

41m ago

Daisy

3m ago

Great Fountain

13h 8m ago

Beehive

2h 27m ago

Steamboat

102d 1h 6m ago