To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 16:31:50 UT Sunday 09 February 2020
the moon was
is 16.5472222222222 in decimal hours.
The Julian date was 2458889.49788758.
The sun’s ecliptic longitude was 320.38545945859 degrees.
Its mean anomaly was 36.4784310934 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.)