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At 10:19:40 UT Sunday 15 December 2019
the waning moon’s phase is
Universal Time
is 10.3444444444444 in decimal hours.
The Julian date is 2458833.37974939.
The sun’s ecliptic longitude is 263.173211003835 degrees.
Its mean anomaly is 341.0274394891 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.)
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