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The full moon.

At 10:35:31 UT Tuesday 25 September 2018
the moon’s phase was

FULL

Time Zone:   

Some factors that go into this equation:

Universal Time is 10.6086111111111 in decimal hours.
The Julian date was 2458387.49892221.
The sun’s ecliptic longitude was 182.314156895127 degrees.
Its mean anomaly was 261.4395675064 degrees.
The moon’s mean longitude was 318.351648 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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