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At 18:08:35 UT Friday 13 July 2018
the waxing moon’s phase was
is 18.1597222222222 in decimal hours.
The Julian date was 2458312.50631.
The sun’s ecliptic longitude was 111.286816201825 degrees.
Its mean anomaly was 188.8117769965 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.)