1. Pongal (January) - Harvest festival celebrated in temples like Madurai Meenakshi Amman Temple and Thanjavur Brihadeeswarar Temple.
2. Chithirai Festival (April-May) - Celebrated at Madurai Meenakshi Amman Temple, featuring processions, music, and dance.
3. Vaikasi Visakam (May-June) - Celebrated at various temples, including Tiruchendur Murugan Temple and Kumbakonam Sarangapani Temple.
4. Aani Thirumanjanam (June-July) - Celebrated at Tiruvannamalai Arunachaleswarar Temple, featuring a sacred bath ceremony.
5. Aadi Perukku (July-August) - Celebrated at temples like Kumbakonam Sarangapani Temple and Tiruvanaikaval, Akilandeswari Temple.
6. Vinayaka Chathurthi (August-September) - Celebrated at temples like Uchchi pillayar koil, Trichy, Pillayar patti, Tuticorin, and Tiruvannamalai Arunachaleswarar Temple.
7. Aavani thiruvizha - Tiruchendur Murugan Temple
8. Navarathri (September-October) - Celebrated at temples like Madurai Meenakshi Amman Temple and Kumbakonam Sarangapani Temple, Kanchi Kamakshi amman temple
9. Vijayadashami (September-October) - Celebrated at temples like Tiruvannamalai Arunachaleswarar Temple and Tiruchendur Murugan Temple.
10. Skanda Sashti (October-November) - Celebrated at Tiruchendur Murugan Temple, featuring processions and music.
11. Karthigai Deepam (November-December) - Celebrated at Tiruvannamalai Arunachaleswarar Temple, featuring a massive lamp festival.
12. Margazhi (December-January) - Celebrated at temples like Tiruvallikeni Parthasarathy Temple and Kumbakonam Sarangapani Temple, featuring music and dance.

These festivals showcase the rich cultural heritage and spiritual significance of Tamil Nadu's temples, attracting millions of devotees and tourists throughout the year.