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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:00 AM JST 11:30 AM JST 4:00 PM JST
Civil Twilight 6:27 AM JST   4:33 PM JST
Nautical Twilight 5:51 AM JST   5:09 PM JST
Astronomical Twilight 5:17 AM JST   5:43 PM JST
Altitude -0.8° 23.6° -0.8°
Azimuth 121.9° 180.0° 238.0°
Hour Angle of the Sun 67.6° 67.5° -67.5°
Mean Anomaly of the Sun 342.49° 342.68° 342.86°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.29° -95.08° -94.88°
Sun Declination -23.35° -23.35° -23.36°
Moon 5:35 AM JST (12/17)   3:34 PM JST (12/17)
Length of Visible Light 10h 05m
Length of Day
9h 00m
Waning Crescent, 2% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter