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The new moon.

At 20:24:58 UT Saturday 18 November 2017
the moon’s phase was

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 20.4327777777778 in decimal hours.
The Julian date was 2458075.50122025.
The sun’s ecliptic longitude was 236.728166737095 degrees.
Its mean anomaly was 315.3067048328 degrees.
The moon’s true longitude was 1320.73188444079 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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