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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 5:17 AM AWST 12:04 PM AWST 6:51 PM AWST
Civil Twilight 4:52 AM AWST   7:16 PM AWST
Nautical Twilight 4:22 AM AWST   7:46 PM AWST
Astronomical Twilight 3:50 AM AWST   8:18 PM AWST
Altitude -0.8° 89.9° -0.8°
Azimuth 115.9° 180.1° 244.1°
Hour Angle of the Sun 101.6° 101.6° -101.6°
Mean Anomaly of the Sun 341.48° 341.76° 342.03°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.43° -96.12° -95.81°
Sun Declination -23.30° -23.32° -23.33°
Moon 3:50 AM AWST (12/16)   5:08 PM AWST (12/16)
Length of Visible Light 14h 23m
Length of Day
13h 33m
Waning Crescent, 6% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter