To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 01:39:34 UT Tuesday 29 May 2018
the moon’s phase will be
is 1.67611111111111 in decimal hours.
The Julian date will be 2458268.49718334.
The sun’s ecliptic longitude will be 67.680738789372 degrees.
Its mean anomaly will be 143.780686471 degrees.
The moon’s true longitude will be 3841.59619260323 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.)