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The waning moon.

At 22:26:16 UT Saturday 14 September 2019
the waning moon’s phase was

99.49% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 22.4544444444444 in decimal hours.
The Julian date was 2458741.49489272.
The sun’s ecliptic longitude was 171.804509256933 degrees.
Its mean anomaly was 250.8452239302 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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