To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."
At 00:59:39 UT Tuesday 29 May 2018
the moon’s phase will be
is 1.01083333333333 in decimal hours.
The Julian date will be 2458268.49688251.
The sun’s ecliptic longitude will be 67.654153395533 degrees.
Its mean anomaly will be 143.7533644175 degrees.
The moon’s true longitude will be 3841.25260794526 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.)