To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 12:55:23 UT Saturday 25 January 2020
the moon was
is 12.9397222222222 in decimal hours.
The Julian date was 2458873.50418539.
The sun’s ecliptic longitude was 305.017316191603 degrees.
Its mean anomaly was 21.5455656294 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.)