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The waxing moon.

At 14:13:42 UT Tuesday 19 June 2018
the waxing moon’s phase was

40.65% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 14.245 in decimal hours.
The Julian date was 2458288.90649542.
The sun’s ecliptic longitude was 88.259718500278 degrees.
Its mean anomaly was 164.9954681262 degrees.
The moon’s true longitude was 4127.48136582013 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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