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The new moon.

At 12:55:23 UT Saturday 25 January 2020
the moon was

NEW

 

Some factors that go into this equation:

Universal Time is 12.9397222222222 in decimal hours.
The Julian date was 2458873.50418539.
The sun’s ecliptic longitude was 305.017316191603 degrees.
Its mean anomaly was 21.5455656294 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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