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Astronomy

Aug. 21, 2017 Rise Solar Noon Set
Actual Time 6:00 AM BST 1:20 PM BST 8:38 PM BST
Civil Twilight 5:18 AM BST   9:19 PM BST
Nautical Twilight 4:24 AM BST   10:13 PM BST
Astronomical Twilight 3:14 AM BST   11:21 PM BST
Altitude -0.8° 46.1° -0.8°
Azimuth 66.9° 180.0° 292.8°
Hour Angle of the Sun 109.9° 109.8° -109.6°
Mean Anomaly of the Sun 226.48° 226.78° 227.08°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 150.50° 150.78° 151.07°
Sun Declination 12.05° 11.95° 11.84°
Moon 5:21 AM BST   8:35 PM BST
Length of Visible Light 16h 00m
Length of Day
14h 37m
Waning Crescent, 0% of the Moon is Illuminated
Aug 21
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter