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At 03:14:13 UT Saturday 22 December 2018
the waxing moon’s phase was
is 3.25361111111112 in decimal hours.
The Julian date was 2458475.4944643.
The sun’s ecliptic longitude was 270.240608077383 degrees.
Its mean anomaly was 347.8744750223 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.)