Periodical Lunation
Periodical Lunation. A Figure cast for the Moon's synodic period, when it returns to the exact degree held at birth. It is often employed for monthly forecasts in a manner similar to the Solar Revolution (q.v.) for annual forecasts. A true Figure for the Moon's periodical return is difficult to construct, because of the Moon's acceleration from hour to hour.
page revision: 0, last edited: 09 Aug 2008 16:57