To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 08:55:10 UT Saturday 24 August 2019
the waning moon’s phase is
is 8.93611111111111 in decimal hours.
The Julian date is 2458719.92274573.
The sun’s ecliptic longitude is 150.901582727254 degrees.
Its mean anomaly is 229.591449883 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.)