annual is the frequency of this festival . Onam, Thiruvonam begins on Ashvin Shukla Prathama . Malayalis as religious and cultural festival observe Onam, Thiruvonam festival . The 2020 date of the festival was Monday, 9 March . The significance of Onam, Thiruvonam festival are Remembers the siege of Jerusalem by Nebuchadnezzar II of Babylonia . The 2021 date of the festival was Sunset, 28 November – nightfall, 6 December . Onam, Thiruvonam is of Classical Roman religion,Hindu type . Onam, Thiruvonam is also called Chouthi . Mongol New Year (Tsagaan Sar),Bandna,Balipratipada is related to Onam, Thiruvonam . The official name of the festival Onam, Thiruvonam is Hebrew: תַּעֲנִית אֶסְתֵּר . per Hindu calendar is when Onam, Thiruvonam is celebrated . Havan,Vrata (fast),sawm (fasting),taraweeh prayer (Sunni Muslims),religious rituals,almsgiving,Hamd,Meditation, observing the Eight Precepts, partaking of vegetarian food, giving,decoration of streets and homes,procession with light,Thiruvathira Kali,Ramayana Katha recitation,processions rituals are observed in this festival . The 2018 date of the festival was December 18, 2018,Mon 27 Aug . Onam, Thiruvonam 2019 date was Tuesday, 5 February, Pig,Fri 13 Sep . making May bushes are the celebrations of this festival
Onam, Thiruvonam was celebrated on Tuesday, 5 February, Pig,Fri 13 Sep in 2019 and on Sunset, 28 November – nightfall, 6 December in 2021