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Geyser1939-08-30
Colloidal Pool 1200
Values for Old Faithful Area1939-08-30
Astronomical Twilight Begin03:57
Nautical Twilight Begin04:36
Civil Twilight Begin05:12
Sunrise05:42
Sunset19:05
Civil Twilight End19:35
Nautical Twilight End20:11
Astronomical Twilight End20:50
Moon Illumination99.89%

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