Values for Old Faithful Area2021-10-192021-10-20
Civil Twilight Begin07:1407:16
Sunrise07:4407:45
Sunset18:3218:30
Civil Twilight End19:0118:59
Moon Illumination98.13%99.86%
Last Known Eruption
Grand

5h 28m ago

Castle

4h 17m ago

Riverside

4h 26m ago

Daisy

1h 15m ago

Great Fountain

20h 50m ago

Beehive

10h 35m ago

Steamboat

5d 21h 35m ago