The temple of Agniswarar Swami in Kanjanoor, is located on the Northern bank of Cauvery River. It is approximately 15 kms away from the north east of city Kumbakonam. The temple is dedicated to Venus planet (Lord Sukran), and is the 6th Navagraha Sthalam amongst the 9 Navagraha Temples situated in Tamil Nadu. The presiding deities of the temple are Shiva and Parvati. Lord Shiva is idolized here as Agniswarar and Goddess Parvati is idolized as Karpagambal.
People throng the temple of offer worship to Lord Sukra or the planet Venus to usher auspiciousness and to avoid the malefic planetary effects of the planet in accordance with one's birth chart.
According to the legends, Brahma had a dream of Shiva and Parvati’s wedding at this place. And the name “Agniswarar” is because Agni idolized Lord Shiva at this place. Here Lord Brahma worshipped the Brahma Linga which is preserved in the temple. For Lord Sukran there is no independent sannidhi in this temple because it is said that here God Shiva himself personified as Venus.
Agniswarar temple has 2 prakarams. Kalikamar and Manakanjarar are the other shrines of this temple. Visitors can see the stone images of Sivakami and Natarajar and inscriptions from the eras of Vijayanagar and Chola can also be seen in the temple. The Nataraja sabha is called Mukti mandapam and the Shiva tandavam is famous as mukti tandavam.