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At 11:45:29 UT Friday 18 October 2019
the waning moon’s phase is
is 11.7747222222222 in decimal hours.
The Julian date is 2458775.30273548.
The sun’s ecliptic longitude is 204.828118309212 degrees.
Its mean anomaly is 283.9186323816 degrees.
The moon’s mean longitude is 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.)