Shani Pradosh 2026 Dates: Vrat Calendar, Remedies & Significance When the auspicious Pradosham (Trayodashi Tithi) falls on a Saturday (Shanivar), it is known as Shani Pradosh. In Vedic Astrology, Lord Shiva is considered the Guru (Teacher) of Shani Dev. Therefore, worshiping Lord Shiva on this specific day is the ultimate remedy to pacify the planet...