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The new moon.

At 16:26:12 UT Friday 13 July 2018
the moon’s phase will be


Time Zone:   

Some factors that go into this equation:

Universal Time is 16.4533333333333 in decimal hours.
The Julian date will be 2458312.50497909.
The sun’s ecliptic longitude will be 111.219052164707 degrees.
Its mean anomaly will be 188.7416979258 degrees.
The moon’s true longitude will be 4439.31159757776 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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