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At 12:55:23 UT Saturday 25 January 2020
the moon’s phase will be
is 12.9397222222222 in decimal hours.
The Julian date will be 2458873.50418539.
The sun’s ecliptic longitude will be 305.017316191603 degrees.
Its mean anomaly will be 21.5455656294 degrees.
The moon’s mean longitude will be 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.)