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Astronomy

May. 21, 2018 Rise Solar Noon Set
Actual Time 6:30 AM EDT 1:43 PM EDT 8:56 PM EDT
Civil Twilight 6:00 AM EDT   9:26 PM EDT
Nautical Twilight 5:23 AM EDT   10:04 PM EDT
Astronomical Twilight 4:42 AM EDT   10:45 PM EDT
Altitude -0.8° 71.9° -0.8°
Azimuth 63.1° 180.0° 297.1°
Hour Angle of the Sun 108.2° 108.2° -108.3°
Mean Anomaly of the Sun 135.77° 136.07° 136.37°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.17° 58.47° 58.77°
Sun Declination 20.22° 20.28° 20.34°
Moon 12:52 PM EDT (5/21)   2:07 AM EDT (5/21)
Length of Visible Light 15h 26m
Length of Day
14h 25m
Waxing Crescent, 48% of the Moon is Illuminated
May 21
Waxing Crescent
May 21
First Quarter
May 29
Full
Jun 6
Last Quarter
Jun 13
New