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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 7:45 AM MSK 12:09 PM MSK 4:34 PM MSK
Civil Twilight 7:11 AM MSK   5:07 PM MSK
Nautical Twilight 6:34 AM MSK   5:45 PM MSK
Astronomical Twilight 5:58 AM MSK   6:20 PM MSK
Altitude -0.8° 21.9° -0.8°
Azimuth 122.8° 180.0° 237.2°
Hour Angle of the Sun 66.1° 66.1° -66.1°
Mean Anomaly of the Sun 338.83° 339.01° 339.19°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.40° -99.20° -99.00°
Sun Declination -23.15° -23.17° -23.18°
Moon 2:36 AM MSK   2:13 PM MSK
Length of Visible Light 9h 56m
Length of Day
8h 48m
Waning Crescent, 21% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter