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At 10:55:30 UT Wednesday 17 January 2018
the moon’s phase will be
is 10.9416666666667 in decimal hours.
The Julian date will be 2458135.50112046.
The sun’s ecliptic longitude will be 297.289310664489 degrees.
Its mean anomaly will be 14.055759192 degrees.
The moon’s true longitude will be 2101.12575756931 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.)