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Astronomy

Jan. 20, 2018 Rise Solar Noon Set
Actual Time 7:35 AM +08 1:29 PM +08 7:23 PM +08
Civil Twilight 7:13 AM +08   7:46 PM +08
Nautical Twilight 6:48 AM +08   8:11 PM +08
Astronomical Twilight 6:22 AM +08   8:37 PM +08
Altitude -0.8° 63.4° -0.8°
Azimuth 110.2° 180.0° 249.9°
Hour Angle of the Sun 88.5° 88.5° -88.5°
Mean Anomaly of the Sun 16.07° 16.31° 16.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -57.98° -57.72° -57.46°
Sun Declination -20.18° -20.13° -20.07°
Moon 9:48 AM +08   9:59 PM +08
Length of Visible Light 12h 32m
Length of Day
11h 48m
Waxing Crescent, 11% of the Moon is Illuminated
Jan 20
Waxing Crescent
Jan 24
First Quarter
Jan 31
Full
Feb 7
Last Quarter
Feb 15
New