The official name of the festival Māgha Pūjā is 初八日)부처님 오신 날 . general merit-making activities are the observances in Māgha Pūjā . The 2020 date of the festival was June 7 (Eastern) . The 2018 date of the festival was May 20 (Western) . Māgha Pūjā 2021 date was Sunset, 28 November – nightfall, 6 December . Biannual is the frequency of this festival . Amavasya of Kartik month is when Māgha Pūjā is celebrated . The festival involves celebrating such as Ma'oz Tzur. Reciting the Hallel prayer. Eating foods fried in oil . Māgha Pūjā begins on 10 Tevet at 72 minutes before sunrise . Māgha Pūjā is of Buddhist type . The festival is observed by Burmese,Sri Lankan and Thai Theravāda Buddhists,Lao,Roman Empire,Cambodian . Māgha Pūjā is also called Fourfold Assembly Day,Buddha Jayanti . Māgha Pūjā is related to Easter, Easter Sunday (primarily), Divine Mercy Sunday, Ascension, Pentecost, Whit Monday, Trinity Sunday, Corpus Christi and Feast of the Sacred Heart which follow it. It is related,Bhai Duj,Daeboreum (in Korea),Il Poya (in Sri Lanka),Rohatsu (in Japan) . Because of Commemorating the three-day fast observed by the Jewish people in the story of Purim,250 disciples the festival Māgha Pūjā is observed . Māgha Pūjā 2019 date was June 16 (Eastern) . 2 Tevet or 3 Tevet is when this festival ends 
Māgha Pūjā was celebrated on June 7 (Eastern) in 2020 and on Sunset, 28 November – nightfall, 6 December in 2021