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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 6:46 AM JST 11:50 AM JST 4:54 PM JST
Civil Twilight 6:18 AM JST   5:22 PM JST
Nautical Twilight 5:47 AM JST   5:53 PM JST
Astronomical Twilight 5:17 AM JST   6:23 PM JST
Altitude -0.8° 34.3° -0.8°
Azimuth 114.2° 180.0° 245.9°
Hour Angle of the Sun 76.0° 76.0° -76.0°
Mean Anomaly of the Sun 17.23° 17.44° 17.65°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.74° -56.52° -56.30°
Sun Declination -19.92° -19.88° -19.83°
Moon 12:38 AM JST   11:55 AM JST
Length of Visible Light 11h 03m
Length of Day
10h 08m
Waning Crescent, 36% of the Moon is Illuminated
Jan 21
Waning Crescent
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter