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Geyser1977-07-28
Colloidal Pool 1200
Constant1303
Hurricane Vent 1200
Little Whirligig1005, 1205
Values for Old Faithful Area1977-07-28
Astronomical Twilight Begin03:59
Nautical Twilight Begin04:49
Civil Twilight Begin05:32
Sunrise06:05
Sunset20:53
Civil Twilight End21:27
Nautical Twilight End22:09
Astronomical Twilight End22:59
Moon Illumination93.17%

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