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The new moon.

At 21:24:21 UT Saturday 18 November 2017
the moon’s phase was

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 21.4225 in decimal hours.
The Julian date was 2458075.50151407.
The sun’s ecliptic longitude was 236.769779462186 degrees.
Its mean anomaly was 315.3473513784 degrees.
The moon’s true longitude was 1321.22976482268 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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