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The waxing moon.

At 08:20:52 UT Monday 18 February 2019
the waxing moon’s phase is

97.39% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 8.36444444444443 in decimal hours.
The Julian date is 2458533.47394648.
The sun’s ecliptic longitude is 329.380508585884 degrees.
Its mean anomaly is 45.2519166662 degrees.
The moon’s mean longitude is 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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