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Geyser1999-10-31
Grand0214 E, 1123 E
Great Fountain0349 E, 1347 E, 2330 E
Values for Old Faithful Area1999-10-31
Astronomical Twilight Begin05:21
Nautical Twilight Begin05:54
Civil Twilight Begin06:29
Sunrise06:59
Sunset17:14
Civil Twilight End17:44
Nautical Twilight End18:19
Astronomical Twilight End18:52
Moon Illumination52.98%

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