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The full moon.

At 14:23:59 UT Monday 21 January 2019
the moon’s phase will be

FULL

Time Zone:   

Some factors that go into this equation:

Universal Time is 14.4163888888889 in decimal hours.
The Julian date will be 2458505.49778675.
The sun’s ecliptic longitude will be 301.259471893132 degrees.
Its mean anomaly will be 17.9023358142 degrees.
The moon’s mean longitude will be 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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