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At 17:08:36 UT Friday 13 July 2018
the waxing moon’s phase was
is 17.16 in decimal hours.
The Julian date was 2458312.50551132.
The sun’s ecliptic longitude was 111.24711522585 degrees.
Its mean anomaly was 188.7707197646 degrees.
The moon’s mean longitude was 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.)