Thiruvathira

Thiruvathira (also known as Thiruvathirai or Arudhra Darisanam) is a Hindu festival predominantly observed in the Indian states of Kerala and Tamil Nadu. The term Thiruvathirai (Arudhra) in Tamil translates to "sacred grand wave," symbolizing the cosmic dance of Lord Shiva.

In Tamil Nadu, the festival holds special significance at the Nataraja Temple in Chidambaram, where the annual Arudhra Darshanam is celebrated with grandeur. This event commemorates the celestial dance of Lord Nataraja, an embodiment of Shiva.

In Kerala, the festival is observed during the Malayalam month of Makaram (January–February) under the Thiruvathira asterism (star). A notable celebration occurs at the Mathira Peedika Devi Temple in Kadakkal, Kollam district, administered by the Thiruvithamcore Devaswom Board. Devotees gather here to honour Lord Shiva through rituals, fasting, and traditional performances like Thiruvathira Kali (a circular dance).

Thiruvadirai – Arudra Darshan is a prominent Hindu festival celebrated grandly across five sacred sabhas (halls) associated with Lord Nataraja:

In Thillai Chidambaram, a 10-day festival is observed during the Thiruvathirai asterism at the Nataraja Temple. The rituals commence with the Maha Abhishekam (sacred ablution) performed for deities Nataraja and Sivakamasundari in the Raja Sabha during the early hours of the 10th day (around 3:00 AM). This elaborate ritual lasts 3–4 hours. Subsequently, the deities are adorned with Thiruvabaranam (sacred jewels) and worshipped through Rahasiya Puja (esoteric rites). At noon, the Pancha Murthi Thiruveethi Ula (procession of five deities) is held, followed by the Arudra Darisanam, where Nataraja and Sivakami bless devotees with the vision of Shiva's cosmic dance (Ananda Tandava) before returning to the Kanaka Sabha.

According to legend, Shesha (Vishnu's divine serpent) and the sage Vyaghrapada sought to witness Shiva's cosmic dance. They performed intense penance at Chidambaram's Nataraja Temple. Shiva, pleased by their devotion, granted their wish and performed the Ananda Tandava. He also blessed Vyaghrapada with tiger-like legs to collect flowers undisturbed by bees, symbolizing the sage's unwavering dedication.

Arudra Darshan (Thiruvathirai) is observed on the full moon night of the Tamil month of Margazhi (December–January), which coincides with the longest night of the year. Historical evidence, including stone inscriptions, indicates that the festival has been celebrated for over 1,500 years. In Tamil tradition, Shiva is venerated as Athiraiyan, a name derived from Thiruvathirai (Thiru meaning "sacred" and Athirai signifying "stability" or "greatness").

The festival is marked by the recitation of Tamil hymns of Manikkavasakar's Tiruvacakam, particularly Tiruvempavai and Tiruppallieluchi, in Shiva temples across Tamil Nadu. On the day of Thiruvathirai, idols of Nataraja (Shiva as the cosmic dancer) and his consort Shivagami (Parvati) are ceremoniously paraded outside temple premises in grand processions, a hallmark of Shaivite worship.