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Geyser1999-10-22
Grand0120 E, 1320 E
Great Fountain0134 E, 1026 E, 1851 E
Values for Old Faithful Area1999-10-22
Astronomical Twilight Begin06:10
Nautical Twilight Begin06:43
Civil Twilight Begin07:17
Sunrise07:47
Sunset18:28
Civil Twilight End18:57
Nautical Twilight End19:31
Astronomical Twilight End20:05
Moon Illumination90.89%

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