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The waxing moon.

At 02:57:33 UT Friday 25 May 2018
the waxing moon’s phase is

80.30% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 2.97583333333332 in decimal hours.
The Julian date is 2458264.30297685.
The sun’s ecliptic longitude is 63.893720188765 degrees.
Its mean anomaly is 139.8914748693 degrees.
The moon’s true longitude is 3791.19116524936 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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