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The waning moon.

At 21:52:26 UT Friday 23 November 2018
the waning moon’s phase was

99.44% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 21.8905555555556 in decimal hours.
The Julian date was 2458446.49438208.
The sun’s ecliptic longitude was 241.594908021965 degrees.
Its mean anomaly was 320.0560956464 degrees.
The moon’s mean longitude was 318.351648 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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