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At 14:41:08 UT Monday 21 August 2017
the moon’s phase was
is 14.7022222222222 in decimal hours.
The Julian date was 2457986.5001.
The sun’s ecliptic longitude was 148.708576060624 degrees.
Its mean anomaly was 227.34874399218 degrees.
The moon’s true longitude was 146.658244277644 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.)