The seven and a half year period during which Saturn transits in the twelfth, The first and second houses from the birth Rashi (moon sign) are called the Sadhesati of Saturn. Your birth rash is Taurus therefore the period during which Saturn transits in Aries, Taurus and Gemini is called Sadeshesati of saturan.
Shani Sade Sati occurs in three parts. Each part is of approximately 2 years 6 months. [5] If one pays attention to the facts, then the purpose of Shani is to teach the person for life. Therefore, during the first 2 years 6 months, Saturn disturbs the person mentally.