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The waning moon.

At 11:46:06 UT Saturday 25 June 2016
the waning moon’s phase was

74.33% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 11.785 in decimal hours.
The Julian date was 2457565.24330497.
The sun’s ecliptic longitude was 94.344335876353 degrees.
Its mean anomaly was 171.28575324822 degrees.
The moon’s true longitude was 335.226327067298 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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