Saturn's Dhaiyya runs simultaneously for two signs. The Dhaiya of Saturn also begins when Saturn enters from a Moon sign into the eighth house. This period is also known as Ashtam Shani

Sade-Sati is the ​7 1⁄2 years long period of Saturn (Shani). This astrological phase is much feared by those in India who give credence to Indian Astrology. According to those beliefs, this is a period with many challenges. ... Saturn (the graha which rules hard work and discipline) shows its rewards during this time.