To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 02:03:29 UT Monday 04 February 2019
the waning moon’s phase will be
is 2.07472222222222 in decimal hours.
The Julian date will be 2458518.50552141.
The sun’s ecliptic longitude will be 314.954918448226 degrees.
Its mean anomaly will be 31.1945433402 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.)