To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 07:39:09 UT Sunday 09 July 2017
the moon’s phase will be
is 7.66916666666666 in decimal hours.
The Julian date will be 2457944.49982161.
The sun’s ecliptic longitude will be 107.289329389469 degrees.
Its mean anomaly will be 184.67706964188 degrees.
The moon’s true longitude will be 288.819895036399 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.)