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The full moon.

At 04:19:21 UT Sunday 03 December 2017
the moon’s phase was

FULL

Time Zone:   

Some factors that go into this equation:

Universal Time is 4.33916666666666 in decimal hours.
The Julian date was 2458091.49633155.
The sun’s ecliptic longitude was 251.224871280717 degrees.
Its mean anomaly was 329.43047246 degrees.
The moon’s true longitude was 1504.28004801105 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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