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The full moon.

At 08:35:33 UT Thursday 11 May 2017
the moon’s phase was

FULL

Time Zone:   

Some factors that go into this equation:

Universal Time is 8.60916666666667 in decimal hours.
The Julian date was 2457885.49809101.
The sun’s ecliptic longitude was 50.869180416887 degrees.
Its mean anomaly was 126.56248013654 degrees.
The moon’s true longitude was 235.877501116875 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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