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Earth Day/Night Clock
Enter UTC Date:
           		Enter Local Time:
           		East Time Zone:     
hours 		Location:
East Longitude ° 		      
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Julian Day (UTC): 2456437.063
Local Mean Sidereal Time: 08:00:14

Equation of Time: -12.7 min

Moon Illumination:0.99
Albedo Topographic
Moon Phase

 EarthClock

Given the date, local time and Geodetic longitude, this web tool present the following information:
  • Julian day
  • Local mean sidereal time (which is the Right Ascension at the local meridian)
  • Equation of time (which is the difference between the mean Sun and real Sun)
  • Moon illumination
  • Earth Day/Night/ Twillight map