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Geyser1991-12-21
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-12-21
Astronomical Twilight Begin06:10
Nautical Twilight Begin06:46
Civil Twilight Begin07:23
Sunrise07:56
Sunset16:46
Civil Twilight End17:19
Nautical Twilight End17:56
Astronomical Twilight End18:32
Moon Illumination99.97%

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