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Astronomy

Dec. 16, 2019 Rise Solar Noon Set
Actual Time 6:52 AM JST 11:43 AM JST 4:35 PM JST
Civil Twilight 6:23 AM JST   5:03 PM JST
Nautical Twilight 5:51 AM JST   5:35 PM JST
Astronomical Twilight 5:20 AM JST   6:07 PM JST
Altitude -0.8° 30.5° -0.8°
Azimuth 118.6° 180.0° 241.4°
Hour Angle of the Sun 72.8° 72.8° -72.8°
Mean Anomaly of the Sun 340.99° 341.19° 341.39°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.94° -96.72° -96.50°
Sun Declination -23.28° -23.29° -23.30°
Moon 8:40 PM JST   10:13 AM JST
Length of Visible Light 10h 40m
Length of Day
9h 42m
Waning Gibbous, 80% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full