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At 17:20:17 UT Monday 16 April 2018
the waxing moon’s phase will be
is 17.3547222222222 in decimal hours.
The Julian date will be 2458224.50513993.
The sun’s ecliptic longitude will be 26.683198394432 degrees.
Its mean anomaly will be 102.0417493794 degrees.
The moon’s true longitude will be 3274.90565464287 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.)