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The new moon.

At 08:35:33 UT Thursday 25 May 2017
the moon’s phase was

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 8.60916666666667 in decimal hours.
The Julian date was 2457898.50343822.
The sun’s ecliptic longitude was 64.351729733415 degrees.
Its mean anomaly was 140.36154312598 degrees.
The moon’s true longitude was 57.6286468545545 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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