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The waxing moon.

At 14:39:46 UT Wednesday 15 August 2018
the waxing moon’s phase is

22.92% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 14.6794444444444 in decimal hours.
The Julian date is 2458345.72917171.
The sun’s ecliptic longitude is 142.702250451857 degrees.
Its mean anomaly is 221.1952094826 degrees.
The moon’s mean longitude is 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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