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Astronomy

May. 22, 2017 Rise Solar Noon Set
Actual Time 6:31 AM HDT 2:33 PM HDT 10:36 PM HDT
Civil Twilight 5:46 AM HDT   11:21 PM HDT
Nautical Twilight 4:43 AM HDT   12:25 AM HDT
Astronomical Twilight 3:05 AM HDT   2:01 AM HDT
Altitude -0.8° 58.3° -0.8°
Azimuth 53.8° 180.0° 306.4°
Hour Angle of the Sun 120.5° 120.6° -120.7°
Mean Anomaly of the Sun 137.22° 137.55° 137.88°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 59.62° 59.96° 60.30°
Sun Declination 20.50° 20.57° 20.63°
Moon 5:26 AM HDT   6:38 PM HDT
Length of Visible Light 17h 34m
Length of Day
16h 05m
Waning Crescent, 13% of the Moon is Illuminated
May 22
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter