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At 19:11:03 UT Friday 07 December 2018
the moon’s phase was
is 19.2008333333333 in decimal hours.
The Julian date was 2458459.50239446.
The sun’s ecliptic longitude was 255.665901073347 degrees.
Its mean anomaly was 333.7446954026 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.)