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Astronomy

Sep. 15, 2019 Rise Solar Noon Set
Actual Time 6:27 AM MDT 12:42 PM MDT 6:58 PM MDT
Civil Twilight 5:58 AM MDT   7:26 PM MDT
Nautical Twilight 5:24 AM MDT   8:00 PM MDT
Astronomical Twilight 4:49 AM MDT   8:35 PM MDT
Altitude -0.8° 49.6° -0.8°
Azimuth 85.1° 180.0° 274.7°
Hour Angle of the Sun 94.0° 93.9° -93.8°
Mean Anomaly of the Sun 250.91° 251.17° 251.43°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 173.00° 173.24° 173.47°
Sun Declination 3.02° 2.92° 2.82°
Moon 8:05 PM MDT (9/15)   7:39 AM MDT (9/15)
Length of Visible Light 13h 28m
Length of Day
12h 31m
Waning Gibbous, 96% of the Moon is Illuminated
Sep 16
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full