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The waxing moon.

At 00:23:42 UT Wednesday 10 May 2017
the waxing moon’s phase was

99.28% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 0.411666666666667 in decimal hours.
The Julian date was 2457884.49278518.
The sun’s ecliptic longitude was 49.572790476708 degrees.
Its mean anomaly was 125.24017260499 degrees.
The moon’s true longitude was 219.82762579254 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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