To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 16:37:48 UT Sunday 03 December 2017
the moon’s phase will be
is 16.6466666666667 in decimal hours.
The Julian date will be 2458091.49999294.
The sun’s ecliptic longitude will be 251.744908300928 degrees.
Its mean anomaly will be 329.935924745 degrees.
The moon’s true longitude will be 1512.04938562537 degrees.
These calculations incorporate the switch to the English New Style (N.S.)i.e., Gregorian calendar after Wednesday, 02 September 1752; the next day became Thursday, 14 September, skipping eleven days. (Please also note that, while fairly accurate, these calculations remain a bit buggy.)