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Geyser1981-06-09
Echinus1120:27, 1156:49
Sunday0618:39, 0625:26, 0633:45, 0641:43,  1800, 1818:39, 1821, 1825:26, 1833:45
Whirligig0640:24, 1840
Values for Old Faithful Area1981-06-09
Astronomical Twilight Begin03:12
Nautical Twilight Begin04:14
Civil Twilight Begin05:02
Sunrise05:38
Sunset21:06
Civil Twilight End21:42
Nautical Twilight End22:30
Astronomical Twilight End23:32
Moon Illumination47.72%

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