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Geyser1999-04-20
Great Fountain0838 E, 1813 E
Values for Old Faithful Area1999-04-20
Astronomical Twilight Begin04:42
Nautical Twilight Begin05:22
Civil Twilight Begin06:00
Sunrise06:30
Sunset20:13
Civil Twilight End20:44
Nautical Twilight End21:21
Astronomical Twilight End22:02
Moon Illumination22.7%

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