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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:03 AM JST 11:59 AM JST 4:56 PM JST
Civil Twilight 6:35 AM JST   5:24 PM JST
Nautical Twilight 6:04 AM JST   5:55 PM JST
Astronomical Twilight 5:33 AM JST   6:26 PM JST
Altitude -0.8° 32.4° -0.8°
Azimuth 118.0° 180.0° 242.0°
Hour Angle of the Sun 74.1° 74.1° -74.1°
Mean Anomaly of the Sun 342.49° 342.70° 342.90°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.29° -95.06° -94.83°
Sun Declination -23.35° -23.35° -23.36°
Moon 5:46 AM JST   4:25 PM JST
Length of Visible Light 10h 48m
Length of Day
9h 52m
Waning Crescent, 1% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter