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Geyser1991-10-29
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-10-29
Astronomical Twilight Begin05:18
Nautical Twilight Begin05:52
Civil Twilight Begin06:26
Sunrise06:56
Sunset17:17
Civil Twilight End17:47
Nautical Twilight End18:21
Astronomical Twilight End18:55
Moon Illumination61.47%

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