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The new moon.

At 12:55:23 UT Friday 24 January 2020
the moon was


Some factors that go into this equation:

Universal Time is 12.9397222222222 in decimal hours.
The Julian date was 2458872.50126064.
The sun’s ecliptic longitude was 304.000922123146 degrees.
Its mean anomaly was 20.559918273 degrees.
The moon’s mean longitude on 00 January 1990 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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