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The new moon.

At 15:07:29 UT Friday 13 July 2018
the moon’s phase will be

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 15.1413888888889 in decimal hours.
The Julian date will be 2458312.50406213.
The sun’s ecliptic longitude will be 111.166952583482 degrees.
Its mean anomaly will be 188.6878181519 degrees.
The moon’s true longitude will be 4438.47532132825 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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