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In eruption since 2011
Values for Old Faithful Area2019-02-202019-02-21
Civil Twilight Begin06:4406:43
Sunrise07:1407:12
Sunset17:5918:01
Civil Twilight End18:2918:30
Moon Illumination99.37%95.96%
Last Known Eruption
Grand

4h 0m ago

Castle

4h 39m ago

Riverside

5h 48m ago

Daisy

2h 23m ago

Great Fountain

12d 17h 20m ago

Beehive

21m ago

Steamboat

4d 7h 24m ago



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