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The full moon.

At 00:32:54 UT Sunday 19 May 2019
the moon’s phase was

FULL

Time Zone:   

Some factors that go into this equation:

Universal Time is 0.565000000000001 in decimal hours.
The Julian date was 2458623.4997832.
The sun’s ecliptic longitude was 57.794280101929 degrees.
Its mean anomaly was 133.6398661662 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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