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Geyser1991-10-28
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-10-28
Astronomical Twilight Begin05:17
Nautical Twilight Begin05:51
Civil Twilight Begin06:25
Sunrise06:55
Sunset17:19
Civil Twilight End17:49
Nautical Twilight End18:23
Astronomical Twilight End18:56
Moon Illumination72.31%

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