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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:05 AM BST 1:24 PM BST 8:42 PM BST
Civil Twilight 5:24 AM BST   9:22 PM BST
Nautical Twilight 4:32 AM BST   10:14 PM BST
Astronomical Twilight 3:25 AM BST   11:19 PM BST
Altitude -0.8° 47.4° -0.8°
Azimuth 66.8° 180.0° 292.8°
Hour Angle of the Sun 109.8° 109.6° -109.4°
Mean Anomaly of the Sun 225.50° 225.80° 226.10°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.58° 149.86° 150.14°
Sun Declination 12.38° 12.28° 12.18°
Moon 4:12 AM BST   8:05 PM BST
Length of Visible Light 15h 57m
Length of Day
14h 36m
Waning Crescent, 1% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter