The festivals observed in a temple reveal the cultural antiquity and traditional heritage of that temple. Sri Jagannatha Perumal Temple is not an exception. A number of festivals are celebrated in this temple, which are evident of the cultural heritage of the temple. In Sri Jagannatha Perumal Temple a number cultural activities are performed during the Brahmotsavam, which is considered as the famous festival here. The festival of Brahmotsavam is observed in the Jagannatha Perumal in the Tamil month of Ani (June-July). During this time is also observed the birthday of Tirumazhisai Azhvar (Tiru Avatara Utsavam). Hence the festival of Brahmotsavam and at the same time the birthday of Tirumazhisai Azhvar calls for the observation of cultural activities. The festival for this Azhvar is conducted with great pomp here as this place is his sacrosanct avatara-Sthala. Another important festival celebrated here is the float-festival (teppotsavam), which is held in the month of Masi (February-March) and continue for three long days. Adi Puram, Navaratri and Pavitrosavam are some of the important festivals, which are also celebrated in this temple. The pujas performed in the Jagannatha Perumal temple are according to the Vaikhanasa mode of worship.