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At 17:08:36 UT Monday 16 April 2018
the waxing moon’s phase was
is 17.16 in decimal hours.
The Julian date was 2458224.50500967.
The sun’s ecliptic longitude was 26.67525716614 degrees.
Its mean anomaly was 102.0337524026 degrees.
The moon’s true longitude was 3274.79267670548 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.)