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The new moon.

At 14:24:47 UT Wednesday 13 June 2018
the moon’s phase was

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 14.4297222222222 in decimal hours.
The Julian date was 2458282.5001.
The sun’s ecliptic longitude was 82.541143818863 degrees.
Its mean anomaly was 159.0891702782 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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