Astronomy
Interactive Star Chart
Powered by: Distant Suns
Click on a star, planet, sun or moon for more information.
View Direction

Click "Up" to view the entire sky.

   
   
Date & Time
Date:
Time:
 
Display Features
Planets
Constellations
Constellation Names
Constellation Borders
Star Names
Grid
Sky Line
Info
 
Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:43 AM MDT 1:05 PM MDT 8:28 PM MDT
Civil Twilight 5:10 AM MDT   9:00 PM MDT
Nautical Twilight 4:30 AM MDT   9:41 PM MDT
Astronomical Twilight 3:43 AM MDT   10:28 PM MDT
Altitude -0.8° 68.5° -0.8°
Azimuth 61.5° 180.0° 298.7°
Hour Angle of the Sun 110.5° 110.6° -110.7°
Mean Anomaly of the Sun 136.12° 136.42° 136.72°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.74° 59.05°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:42 PM MDT   3:16 AM MDT
Length Of Visible Light 15h 49m
Length of Day
14h 44m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy