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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 8:00 AM GMT 11:53 AM GMT 3:46 PM GMT
Civil Twilight 7:19 AM GMT   4:27 PM GMT
Nautical Twilight 6:35 AM GMT   5:11 PM GMT
Astronomical Twilight 5:54 AM GMT   5:53 PM GMT
Altitude -0.8° 14.6° -0.8°
Azimuth 128.6° 180.0° 231.4°
Hour Angle of the Sun 58.2° 58.2° -58.2°
Mean Anomaly of the Sun 338.96° 339.12° 339.28°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.25° -99.08° -98.90°
Sun Declination -23.16° -23.17° -23.18°
Moon 2:34 AM GMT   1:51 PM GMT
Length of Visible Light 9h 07m
Length of Day
7h 45m
Waning Crescent, 21% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter