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Astronomy

May. 21, 2018 Rise Solar Noon Set
Actual Time 4:55 AM BST 1:14 PM BST 9:34 PM BST
Civil Twilight 4:03 AM BST   10:27 PM BST
Nautical Twilight 2:36 AM BST   11:56 PM BST
Astronomical Twilight Sun does not set   Sun does not set
Altitude -0.8° 54.3° -0.8°
Azimuth 50.5° 180.0° 309.8°
Hour Angle of the Sun 124.7° 124.9° -125.0°
Mean Anomaly of the Sun 135.50° 135.85° 136.19°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 57.89° 58.24° 58.59°
Sun Declination 20.16° 20.23° 20.30°
Moon 11:20 AM BST   2:20 AM BST
Length of Visible Light 18h 23m
Length of Day
16h 39m
Waxing Crescent, 43% of the Moon is Illuminated
May 21
Waxing Crescent
May 21
First Quarter
May 29
Full
Jun 6
Last Quarter
Jun 13
New