Calan Mai is related to Beltane . The 2019 date of the festival was March 20 . Because of Beginning of summer,Celebrates the descent of the Holy Spirit upon the Apostles and other followers of Jesus; birth of the Church,enlightenment and death (parinirvana) of Gautama Buddha the festival Beltane is observed . (or 1 November in the S. Hemisphere),usually in April (first) is when Beltane is celebrated . The festival involves celebrating visiting holy wells,decorating homes with May flowers . Pagan,Historical,Cultural are the type(s) Beltane festival . Beltane begins on the last night of the month of Sha'ban . Biannual is the frequency of this festival . Beltane 2018 date was March 30 (Western) . Lá Bealtaine  (Irish),Beltain; Beltaine; Beltine; Beltany,Là Bealltainn  (Scottish Gaelic) is also called Beltane . The common name of the festival Fódàn (佛誕) is Beltane . Beltane 2021 date was April 4 (Western) . Scottish people and Manx people) observe Beltane festival . fasting are the observances in Beltane . The 2020 date of the festival was December 25, 2020
Beltane was celebrated on different date in different year