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The waxing moon.

At 00:21:59 UT Saturday 26 May 2018
the waxing moon’s phase is

87.22% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 0.383055555555557 in decimal hours.
The Julian date is 2458265.37221864.
The sun’s ecliptic longitude is 64.750265403666 degrees.
Its mean anomaly is 140.7706403688 degrees.
The moon’s true longitude is 3802.86099782498 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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