To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 17:08:36 UT Saturday 11 August 2018
the moon’s phase will be
is 17.16 in decimal hours.
The Julian date will be 2458341.50144319.
The sun’s ecliptic longitude will be 138.960896580172 degrees.
Its mean anomaly will be 217.3544930998 degrees.
The moon’s true longitude will be 4823.3151324528 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.)