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Geyser1991-12-13
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-12-13
Astronomical Twilight Begin06:05
Nautical Twilight Begin06:41
Civil Twilight Begin07:17
Sunrise07:51
Sunset16:43
Civil Twilight End17:17
Nautical Twilight End17:53
Astronomical Twilight End18:29
Moon Illumination39.47%

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