Internet Based
Moon Phase Calculator

                         time: ad2008-may-09   14:05:51 UT+00h00m
                  day of week: fri
                          MJD: +00054595.587396
                           JD: +02454596.087396
                            t: +00002685.587396
                mean lunation: +001056.14696082
              mean moon phase: 052.90590°
                            ~ young crescent
   ecliptic longitude of moon: 106.4°
    ecliptic latitude of moon: 03.1°
  horizontal parallax of moon: 00.994°
  geocentric distance of moon: 367631 km
    ecliptic longitude of sun: 049.3°
     ecliptic latitude of sun: 00.0°
   geocentric distance of sun: 151048576 km
ecliptic longitude difference: 057.1°

To calculate past or future moon phases, enter date and time below and click "calculate".
For the current moon phase, leave the input box blank and click "calculate".


Underlying algorithm was produced in a way that it should not contain errors.
It has been tested about 5 times on random dates between 6000BC and 10000AD.
All results of these tests agreed exactly with standard tables.
-author, August 2, 2001

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