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Geyser1999-01-30
Great Fountain0518 E, 1523 E
Values for Old Faithful Area1999-01-30
Astronomical Twilight Begin06:03
Nautical Twilight Begin06:37
Civil Twilight Begin07:12
Sunrise07:43
Sunset17:29
Civil Twilight End18:00
Nautical Twilight End18:35
Astronomical Twilight End19:09
Moon Illumination97.64%

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