The Thayumanavar Temple is a temple situated in the Rockfort complex in the city of Tiruchirappalli, India. The temple is situated close to the base of the Rockfort and was constructed by the Pallava king Mahendravarman I in the 6th century AD. Shiva is worshiped as Thayumanavar, and is represented by the lingam and his consort Parvati is depicted as Mattuvar Kuzhalammai....
According to Hindu legend, a pregnant woman named Rathnavathi was an ardent devotee of Shiva and he arrived in the form of her mother to attend to her delivery. The presiding deity is thus named Thayumanaswamy, the one who acted as mother. The Rockfort is a fortress which stands atop a 273-foot-high rock, consisting of a set of monolithic rocks accommodating many rock-cut cave temples. Originally built by the Pallavas, it was later reconstructed by the Madurai Nayaks and Vijayanagara rulers. The major complex in the temple are believed to be built during the 8th century by the Pandyan Empire.....
Thiruvathira or Thiruvathirai or Arudhra Darisanam is a Hindu festival celebrated in the Indian states of Tamil Nadu and Kerala.[1][2][3] Thiruvathirai (Arudhra) in Tamil means "sacred big wave", using which this universe was created by Lord Shiva about 132 trillion years ago.
It takes place on the full moon night in the Tamil month of Margazhi...this year(2020) it was on 10th January...