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The new moon.

At 06:16:52 UT Monday 21 August 2017
the moon’s phase will be

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 6.29777777777777 in decimal hours.
The Julian date will be 2457986.50341944.
The sun’s ecliptic longitude will be 148.371259377277 degrees.
Its mean anomaly will be 227.00358489014 degrees.
The moon’s true longitude will be 141.666577484736 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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