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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 7:28 AM WET 12:38 PM WET 5:49 PM WET
Civil Twilight 7:02 AM WET   6:15 PM WET
Nautical Twilight 6:32 AM WET   6:44 PM WET
Astronomical Twilight 6:04 AM WET   7:13 PM WET
Altitude -0.8° 38.4° -0.8°
Azimuth 116.1° 180.0° 243.9°
Hour Angle of the Sun 77.7° 77.6° -77.6°
Mean Anomaly of the Sun 338.94° 339.15° 339.36°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.28° -99.04° -98.80°
Sun Declination -23.16° -23.17° -23.19°
Moon 3:05 AM WET   2:59 PM WET
Length of Visible Light 11h 13m
Length of Day
10h 21m
Waning Crescent, 16% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter