Vesak is related to Other related festivals,Rohatsu (in Japan),Laba Festival (in China) . Because of enlightenment and death (parinirvana) of Gautama Buddha,Celebrates the resurrection of Jesus,The birth,Beginning of summer the festival Vesak is observed . Gani,Buddha's Birthday or Buddha Day is also called Vesak . (or 1 November in the S. Hemisphere),January 6: Some Anabaptists, such as the Amish and Armenian Apostolic Church,May or June (last) is when Vesak is celebrated . The 2020 date of the festival was April 10 (Western) . The festival is observed by Buddhists and some Hindus in South and Southeast Asia and in East Asia (as Buddha's Birthday),Jews in Judaism,Kazakhstan . Vesak 2018 date was November 22 . 25 Kislev is when the festival begins . fireworks are the celebrations of this festival . Vesak 2021 date was April 2 (Western) . The frequency of this festival is every year (lunar calendar) . The 2019 date of the festival was Fri 13 Sep . The official name of the festival Vesak is Chopa-il (초파일,Guru Poornima (Guru Worship on a Summer Full Moon day),बुद्ध जयन्ती,Buddha Purnima,Fódàn (佛誕),Dr. Babasaheb Ambedkar Jayanti . charity, "bathing" the Buddha are the observances in Vesak . Vesak is of Secular type . Ashvin Shukla Navami is when this festival ends 
Vesak was celebrated on April 10 (Western) in 2020