Variable (follows the Islamic lunar calendar) is when Onam, Thiruvonam is celebrated . Onam, Thiruvonam begins on 25 Kislev . Sadya,and Vallamkali,Onavillu,Athachamayam,Thiruvathira Kali,Puli Kali,Pookalam,Kazhchakkula rituals are observed in this festival . The common name of the festival Hebrew: תַּעֲנִית אֶסְתֵּר is Onam, Thiruvonam . At the last night of the month of Ramadan is when this festival ends  . Koshōgatsu (in Japan) is related to Onam, Thiruvonam . Onam, Thiruvonam 2020 date was 24 May (expected – may differ 1 day dependent on sighting of lunar crescent) . Onam, Thiruvonam 2021 date was Saturday 20 March 2021,at 09:37 UTC * . Onam, Thiruvonam 2018 date was Fri 24 Aug,February 28 . The frequency of this festival is Biannual . The festival is observed by Kerala state,Jordan . Because of Harvest festival,Marks the end of Ramadan fasting,Birth Anniversary of Mahaveer Swami the festival Onam, Thiruvonam is observed . Onam, Thiruvonam 2019 date was Fri 13 Sep,April 28 (Eastern) . Onam, Thiruvonam is also called Bhogi . Onam, Thiruvonam is of spring festival,Hindu type . the Jain Temple are the celebrations of this festival
Onam, Thiruvonam was celebrated on 15 January,29 Sep, Sun – 8 Oct, Tue ,(Vijayadashami: 8 Oct, Tue),Sunset, 22 December – nightfall, 30 December in 2019