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At 11:51:49 UT Wednesday 26 April 2017
the moon’s phase was
is 11.8802777777778 in decimal hours.
The Julian date was 2457869.5001.
The sun’s ecliptic longitude was 36.457343784891 degrees.
Its mean anomaly was 111.91210987487 degrees.
The moon’s true longitude was 36.2828631093447 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.)