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The waning moon.

At 04:25:18 UT Saturday 04 May 2019
the waning moon’s phase was

0.65% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 4.43833333333332 in decimal hours.
The Julian date was 2458607.50654726.
The sun’s ecliptic longitude was 43.457463983517 degrees.
Its mean anomaly was 119.0142283521 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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