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Geyser1999-04-17
Great Fountain0403 E, 1638 E
Values for Old Faithful Area1999-04-17
Astronomical Twilight Begin04:48
Nautical Twilight Begin05:28
Civil Twilight Begin06:05
Sunrise06:35
Sunset20:09
Civil Twilight End20:40
Nautical Twilight End21:17
Astronomical Twilight End21:56
Moon Illumination1.74%

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