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Astronomy

Oct. 17, 2017 Rise Solar Noon Set
Actual Time 6:20 AM HKT 12:08 PM HKT 5:56 PM HKT
Civil Twilight 5:57 AM HKT   6:19 PM HKT
Nautical Twilight 5:31 AM HKT   6:45 PM HKT
Astronomical Twilight 5:05 AM HKT   7:11 PM HKT
Altitude -0.8° 58.4° -0.8°
Azimuth 99.6° 180.0° 260.2°
Hour Angle of the Sun 87.1° 87.1° -87.0°
Mean Anomaly of the Sun 282.38° 282.62° 282.86°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -158.02° -157.80° -157.57°
Sun Declination -9.21° -9.30° -9.39°
Moon 3:49 AM HKT   4:32 PM HKT
Length of Visible Light 12h 21m
Length of Day
11h 36m
Waning Crescent, 7% of the Moon is Illuminated
Oct 17
Waning Crescent
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter