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 5:35 AM MDT 12:55 PM MDT 8:16 PM MDT
Civil Twilight 5:03 AM MDT   8:48 PM MDT
Nautical Twilight 4:23 AM MDT   9:28 PM MDT
Astronomical Twilight 3:38 AM MDT   10:14 PM MDT
Altitude -0.8° 69.2° -0.8°
Azimuth 61.8° 180.0° 298.4°
Hour Angle of the Sun 110.1° 110.1° -110.2°
Mean Anomaly of the Sun 136.11° 136.41° 136.72°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.74° 59.04°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:31 PM MDT   3:07 AM MDT
Length Of Visible Light 15h 45m
Length of Day
14h 40m
Waxing Gibbous, 82% 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