There are basically 3 types of Sade Sati. The north Indian astrologers count Sade Sati from the Moon Sign. It starts 2.5 years before the Moon sign and continues till Saturn stays in the second house for 2.5 years after the Moon sign. Furthermore, some astrologers take Sade Sati into consideration from the rising sign of the native. Also, some are of the view that Sade Sati is counted from the Sun Sign of an individual.