Learn about synodic cycles and planetary retrogrades on the "Synodic Cycles" web page (link below). General posts about synodic cycles, planetary alignments and aspects can be posted here. If you wish to make a post regarding a specific article, use the sub-forum for that article (if it exsits).
Synodic Cycle themes for specific planets can be found in each month's lunar planner commentary in which they occur, and / or in various articles in the Lunar Planner archive (link below).
Synodic Cycles
http://lunarplanner.com/HCpages/SynodicCycle.htmlLunar Planner & Article Archive
http://www.lunarplanner.com/LPArchive_lunar_months.html