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The waning moon.

At 07:06:17 UT Saturday 30 July 2016
the waning moon’s phase is

15.24% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 7.12138888888889 in decimal hours.
The Julian date is 2457599.65244214.
The sun’s ecliptic longitude is 127.533032070059 degrees.
Its mean anomaly is 205.59188255663 degrees.
The moon’s true longitude is 81.5694718430305 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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