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The waxing moon.

At 11:39:18 UT Wednesday 22 November 2017
the waxing moon’s phase is

13.82% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 11.6716666666667 in decimal hours.
The Julian date is 2458079.63818712.
The sun’s ecliptic longitude is 240.398660188587 degrees.
Its mean anomaly is 318.8894873414 degrees.
The moon’s true longitude is 1364.04399693653 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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