Pongal is a Hindu festival which is observed by people of Tamil Nadu on the first day of Thai Masam.
Puthandu - the Tamil New Year is also known as Varusha Pirappu and is observed on first day of Tamil month Chithirai.
In Tamil Nadu Deepavali is observed when Chaturdashi Tithi prevails during Brahma Muhurat i.e. just before sunrise.
Kedara Gauri Vrat is mainly observed in Southern Indian states especially in Tamil Nadu. It is also known as Kedara Vratham.
The day when Karthigai Nakshatra coincides with Pournami in Tamil month Karthikai (Vrischika Zodiac) is known as Karthigai Deepam.
For Tamil Hindus Soorasamharam is the final and the most important event of the six days Kanda Sashti festivities. For Tamil Hindus Soorasamharam is the final and the most important event of the six days Kanda Sashti festivities.
Panguni Uthiram is an important day for Tamil Hindus. It is observed in Panguni month when Nakshatra Uthiram or Uttara Phalguni prevails.
It is believed that Vaikuntha Dwaram is opened on this day and devotees who observe fast on Vaikuntha Ekadashi attain salvation.
Thaipusam or Thai Poosam is a Hindu festival celebrated mostly by the Tamil community. It falls in Tamil Solar month Thai.
Karadaiyan Nombu or Karadayan Nonbu is a major Tamil festival which is celebrated at the time on Meena Sankranti or Sankramana.
Masi Magam, also known as Maasi Makam, is a Tamil Hindu festival which is celebrated by Tamil speaking people.
Hanumath Jayanthi is observed during Margashirsha Amavasya and falls in January or December.
Arudra Darshan is observed during Margashirsha Amavasya and falls in January or December.
On Avani Avittam, Brahmins ritually change their Upanayana thread along with Shrauta rituals.
Chitra Pournami, is dedicated to God Chitragupta.