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The new moon.

At 13:27:26 UT Wednesday 26 April 2017
the moon’s phase was

NEW

Time Zone:   

Some factors that go into this equation:

Universal Time is 13.4738888888889 in decimal hours.
The Julian date was 2457869.5001.
The sun’s ecliptic longitude was 36.521973672339 degrees.
Its mean anomaly was 111.97755731566 degrees.
The moon’s true longitude was 37.2813811893859 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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