The Apatsahayesvarar Temple, Alangudi Guru Temple, dedicated to Lord Jupiter (Guru), is located in the village of Alangudi, near Kumbakonam in Tamil Nadu. Lord Shiva is the main deity in Apatsahayesvarar Temple. This 12th-century temple serves as one of the nine Navagraha temples and is particularly important for devotees looking for blessings that represent Jupiter's spiritual influence on their lives as per astrology. It is said that worship at Alangudi promotes spiritual development, wealth, and wisdom. This temple is the most visited temple in the district.