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 . Onam, Thiruvonam 2018 date was Fri 24 Aug,Mon 27 Aug . Onam, Thiruvonam 2019 date was Tue 10 Sep,Fri 13 Sep . The frequency of this festival is Annual . Malayalis as religious and cultural festival,Kerala state observe Onam, Thiruvonam festival . Harvest festival are the significance of the Onam, Thiruvonam festival . Onam, Thiruvonam is of Hindu type . On Chingam (August/September), Onam, Thiruvonam is celebrated . Onam, Thiruvonam is related to Balipratipada
Onam, Thiruvonam is celebrated by multiple groups