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The full moon.

At 14:22:09 UT Saturday 14 September 2019
the moon was



Some factors that go into this equation:

Universal Time is 14.3858333333333 in decimal hours.
The Julian date was 2458741.49843978.
The sun’s ecliptic longitude was 171.476806966393 degrees.
Its mean anomaly was 250.5138570463 degrees.
The moon’s mean longitude was 318.351648 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.)

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