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At 11:45:09 UT Sunday 12 March 2017
the moon’s phase was
is 11.7691666666667 in decimal hours.
The Julian date was 2457825.49985011.
The sun’s ecliptic longitude was 352.09190533053 degrees.
Its mean anomaly was 67.55341565527 degrees.
The moon’s true longitude was 170.688952687403 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.)