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Astronomy

Sep. 19, 2017 Rise Solar Noon Set
Actual Time 8:18 AM HDT 2:30 PM HDT 8:40 PM HDT
Civil Twilight 7:44 AM HDT   9:14 PM HDT
Nautical Twilight 7:04 AM HDT   9:55 PM HDT
Astronomical Twilight 6:21 AM HDT   10:37 PM HDT
Altitude -0.8° 38.9° -0.8°
Azimuth 86.9° 180.0° 272.7°
Hour Angle of the Sun 92.9° 92.8° -92.7°
Mean Anomaly of the Sun 255.57° 255.82° 256.07°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 177.21° 177.44° 177.67°
Sun Declination 1.21° 1.11° 1.01°
Moon 7:38 AM HDT   8:53 PM HDT
Length of Visible Light 13h 30m
Length of Day
12h 22m
Waning Crescent, 0% of the Moon is Illuminated
Sep 19
Waning Crescent
Sep 20
New
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter