Guru Purnima 2021 date was October 11 . decorating homes with May flowers,family gathering,National Holiday in Nepal are the celebrations of this festival . The common name of the festival 初八日)부처님 오신 날 is Guru Purnima . Guru Purnima begins on 13th day of Adar at dawn (if Shabbat then 11th day of Adar at dawn) . Because of The Maccabees successfully rebelled against Antiochus IV Epiphanes. According the festival Guru Purnima is observed . Mauritania,Hindu devotees & Buddhist disciples in India and Nepal observe Guru Purnima festival . Guru Purnima is also called Ganeshotsav . The frequency of this festival is every year (lunar calendar) . Guru Purnima is related to Daeboreum (in Korea) . The same day, at nightfall is when this festival ends  . Guru Purnima 2018 date was April 8 (Eastern) . On Bright lunar fortnight Full Moon) (June–July),1 May, Guru Purnima is celebrated . Guru Purnima is of Asian type . Tug of War are the observances in Guru Purnima . The 2019 date of the festival was April 19 (Western) . The 2020 date of the festival was April 19 (Eastern)
There is at least one more name of Buddha Purnima festival