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At 11:45:09 UT Saturday 11 February 2017
the moon’s phase was
is 11.7691666666667 in decimal hours.
The Julian date was 2457796.49730994.
The sun’s ecliptic longitude was 322.942530281817 degrees.
Its mean anomaly was 38.96964232005 degrees.
The moon’s true longitude was 148.888580336678 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.)