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The waning moon.

At 03:54:40 UT Friday 01 July 2016
the waning moon’s phase is

14.39% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 3.92777777777779 in decimal hours.
The Julian date is 2457570.64390425.
The sun’s ecliptic longitude is 99.749713187629 degrees.
Its mean anomaly is 176.87695195688 degrees.
The moon’s true longitude is 55.1632166714134 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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