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Astronomy

Oct. 20, 2017 Rise Solar Noon Set
Actual Time 6:21 AM HKT 12:08 PM HKT 5:54 PM HKT
Civil Twilight 5:58 AM HKT   6:17 PM HKT
Nautical Twilight 5:32 AM HKT   6:43 PM HKT
Astronomical Twilight 5:06 AM HKT   7:09 PM HKT
Altitude -0.8° 57.4° -0.8°
Azimuth 100.8° 180.0° 259.0°
Hour Angle of the Sun 86.7° 86.6° -86.6°
Mean Anomaly of the Sun 285.34° 285.58° 285.82°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -155.21° -154.98° -154.75°
Sun Declination -10.30° -10.39° -10.47°
Moon 6:32 AM HKT   6:28 PM HKT
Length of Visible Light 12h 18m
Length of Day
11h 32m
New Moon, 1% of the Moon is Illuminated
Oct 20
New Moon
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New