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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 7:42 AM WET 12:29 PM WET 5:16 PM WET
Civil Twilight 7:13 AM WET   5:46 PM WET
Nautical Twilight 6:40 AM WET   6:19 PM WET
Astronomical Twilight 6:08 AM WET   6:51 PM WET
Altitude -0.8° 28.9° -0.8°
Azimuth 119.2° 180.0° 240.8°
Hour Angle of the Sun 71.7° 71.7° -71.7°
Mean Anomaly of the Sun 338.95° 339.14° 339.34°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.27° -99.05° -98.83°
Sun Declination -23.16° -23.17° -23.19°
Moon 3:00 AM WET   2:43 PM WET
Length of Visible Light 10h 32m
Length of Day
9h 33m
Waning Crescent, 22% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter