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At 02:39:43 UT Wednesday 06 September 2017
the moon’s phase was
is 2.6786111111111 in decimal hours.
The Julian date was 2458003.4996331.
The sun’s ecliptic longitude was 163.693024906763 degrees.
Its mean anomaly was 242.62530833995 degrees.
The moon’s true longitude was 341.497938204981 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.)