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Geyser1991-07-20
Echinus0800 A, 1100, 1205, 1303, 1405, 1502, 1610
Sunday 1200
Values for Old Faithful Area1991-07-20
Astronomical Twilight Begin03:44
Nautical Twilight Begin04:37
Civil Twilight Begin05:22
Sunrise05:57
Sunset21:01
Civil Twilight End21:36
Nautical Twilight End22:21
Astronomical Twilight End23:15
Moon Illumination65.89%

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