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At 00:23:42 UT Tuesday 11 April 2017
the moon’s phase was
is 0.411666666666667 in decimal hours.
The Julian date was 2457855.49950156.
The sun’s ecliptic longitude was 21.327080088675 degrees.
Its mean anomaly was 96.65639926978 degrees.
The moon’s true longitude was 198.76852328164 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.)