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Geyser1991-10-30
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-10-30
Astronomical Twilight Begin05:19
Nautical Twilight Begin05:53
Civil Twilight Begin06:27
Sunrise06:57
Sunset17:16
Civil Twilight End17:46
Nautical Twilight End18:20
Astronomical Twilight End18:54
Moon Illumination50.12%

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