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Geyser1991-12-20
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-12-20
Astronomical Twilight Begin06:10
Nautical Twilight Begin06:45
Civil Twilight Begin07:22
Sunrise07:55
Sunset16:45
Civil Twilight End17:19
Nautical Twilight End17:56
Astronomical Twilight End18:31
Moon Illumination98.05%

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