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The new moon.

At 16:37:48 UT Thursday 19 October 2017
the moon’s phase was

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 16.6466666666667 in decimal hours.
The Julian date was 2458045.5001.
The sun’s ecliptic longitude was 206.505433385078 degrees.
Its mean anomaly was 285.5817937076 degrees.
The moon’s true longitude was 925.388282803395 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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