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The waning moon.

At 04:18:37 UT Saturday 04 May 2019
the waning moon’s phase will be

0.66% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 4.32694444444445 in decimal hours.
The Julian date will be 2458607.50662481.
The sun’s ecliptic longitude will be 43.452963553553 degrees.
Its mean anomaly will be 119.0096537619 degrees.
The moon’s mean longitude will be 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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