the Jain Temple are the celebrations of this festival . The 2021 date of the festival was Saturday 20 March 2021,at 09:37 UTC * . Harvest festival,Marks the end of Ramadan fasting,Birth Anniversary of Mahaveer Swami are the significance of the Onam, Thiruvonam festival . The 2019 date of the festival was Fri 13 Sep,April 28 (Eastern) . Variable (follows the Islamic lunar calendar) is when Onam, Thiruvonam is celebrated . Onam, Thiruvonam is of spring festival,Hindu type . Onam, Thiruvonam 2020 date was 24 May (expected – may differ 1 day dependent on sighting of lunar crescent) . Onam, Thiruvonam begins on 25 Kislev . Onam, Thiruvonam is related to Koshōgatsu (in Japan) . The 2018 date of the festival was Fri 24 Aug,February 28 . The official name of the festival Onam, Thiruvonam is Hebrew: תַּעֲנִית אֶסְתֵּר . Kerala state,Jordan observe Onam, Thiruvonam festival . The frequency of this festival is Biannual . Bhogi is also called Onam, Thiruvonam . Sadya,and Vallamkali,Onavillu,Athachamayam,Thiruvathira Kali,Puli Kali,Pookalam,Kazhchakkula rituals are observed in this festival . At the last night of the month of Ramadan is when this festival ends 
Onam, Thiruvonam is celebrated by more than 4 rituals