To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 13:08:07 UT Friday 07 December 2018
the moon’s phase was
is 13.1519444444444 in decimal hours.
The Julian date was 2458459.5001.
The sun’s ecliptic longitude was 255.410042420724 degrees.
Its mean anomaly was 333.4962757633 degrees.
The moon’s mean longitude was 318.351648 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.)