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At 04:09:08 UT Monday 21 January 2019
the moon’s phase is
is 4.1688888888889 in decimal hours.
The Julian date is 2458505.49996535.
The sun’s ecliptic longitude is 300.825218998971 degrees.
Its mean anomaly is 17.4814849273 degrees.
The moon’s mean longitude is 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.)