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The new moon.

At 11:59:06 UT Tuesday 02 July 2019
the moon was



Some factors that go into this equation:

Universal Time is 12.0016666666667 in decimal hours.
The Julian date was 2458666.50128667.
The sun’s ecliptic longitude was 100.330731979791 degrees.
Its mean anomaly was 177.4780381915 degrees.
The moon’s mean longitude was 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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