I think this video was past due, its video number 27 on this page: http://astrology-videos.com/courses/advanced-courses/parasharas-formula-for-timing-with-vimshottari-dasa


Each planet rules a particular period of life. This is not the vimshottari period, but a natural period that is age based and the same for all individuals. Planets also have an age at which they mature. This is a very important year for everyone. Many concerns that people have in their lives have to do with these two things. In the Ages of the Planets course I will cover the effects of these periods and maturation ages.