The 2019 date of the festival was Tue 10 Sep,Fri 13 Sep . The 2018 date of the festival was Fri 24 Aug,Mon 27 Aug . Onam, Thiruvonam is related to Balipratipada . The frequency of this festival is Annual . Onam, Thiruvonam is of Hindu type . Because of Harvest festival the festival Onam, Thiruvonam is observed . On Chingam (August/September), Onam, Thiruvonam is celebrated . Sadya,Thiruvathira Kali,Puli Kali,Pookalam,Ona-thallu,Thrikkakarayappan,Onathappan,Tug of War,Thumbi Thullal,Onavillu,Kazhchakkula,Athachamayam,and Vallamkali rituals are observed in this festival . The festival is observed by Malayalis as religious and cultural festival,Kerala state
Onam, Thiruvonam is observed by celebrating single ritual