Pongal (is the harvesting festival of Tamil Nadu in mid Jan. Jallikattu, the bullfight is held on the last day known as Kannum Pongal. Jallikattu can be witnessed best in Madhurai, Tiruchirapalli and Tanjore )

Chithirai Festival - Madurai
Dance Festivals- Mamallapuram
Natyanjali Dance Festival (February-March on Shivratri day at Chidambaram, 5 days)
Mahamagam Festival
Aurbathimoovar Festival
Summer Festivals
Saral Vizha (Kuttalm or Courtallm)
Kanthuri festival (Held at the shrine of Saint Quadirwali in July/August)
Kavadi festival
Velankanni festival (September
Navrathri
Karthigai Deepam (a festival of lamps in November - December, Nov 21, 2010, mainly at Thiruvannamalai)
Thyagaraja Music Festival