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The new moon.

At 10:55:30 UT Saturday 18 November 2017
the moon’s phase was

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 10.9416666666667 in decimal hours.
The Julian date was 2458075.5001.
The sun’s ecliptic longitude was 236.32914885989 degrees.
Its mean anomaly was 314.9169178089 degrees.
The moon’s true longitude was 1315.94645988188 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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