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Geyser1999-01-03
Great Fountain0838 E, 1913 E
Values for Old Faithful Area1999-01-03
Astronomical Twilight Begin06:14
Nautical Twilight Begin06:49
Civil Twilight Begin07:26
Sunrise07:59
Sunset16:55
Civil Twilight End17:29
Nautical Twilight End18:05
Astronomical Twilight End18:40
Moon Illumination98.2%

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