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Geyser1999-04-01
Great Fountain0938 E, 2033 E
Values for Old Faithful Area1999-04-01
Astronomical Twilight Begin04:23
Nautical Twilight Begin05:00
Civil Twilight Begin05:35
Sunrise06:04
Sunset18:50
Civil Twilight End19:19
Nautical Twilight End19:54
Astronomical Twilight End20:30
Moon Illumination99.88%

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