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The full moon.

At 04:19:21 UT Wednesday 31 January 2018
the moon’s phase will be


Time Zone:   

Some factors that go into this equation:

Universal Time is 4.33916666666666 in decimal hours.
The Julian date will be 2458150.49784624.
The sun’s ecliptic longitude will be 311.238894691806 degrees.
Its mean anomaly will be 27.5836664868 degrees.
The moon’s true longitude will be 2285.91891444124 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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