Ashvin Shukla Prathama is when the festival begins . 2 Tevet or 3 Tevet is when this festival ends  . raising of the Nishan Sahib flag,Meditation, observing the Eight Precepts, partaking of vegetarian food, giving rituals are observed in this festival . The 2019 date of the festival was Wednesday 20 March 2019,at 21:58 UTC * . Yule,Laba Festival (in China),Buddha's Birthday,Bandi Chhor Divas,Other related festivals,Rohatsu (in Japan) is related to Vesak . The festival involves celebrating Parades and Nagar Kirtan . Gani,Buddha's Birthday or Buddha Day,Magha is also called Vesak . Vesak is of Historical type . The frequency of this festival is Biannual . The festival is observed by Buddhists and some Hindus in South and Southeast Asia and in East Asia (as Buddha's Birthday),Old Catholics . The official name of the festival Vesak is বুদ্ধ পূর্ণিমা,初八日)부처님 오신 날,Buddha Purnima,Dongzhi (冬至),La Tomatina,Dr. Babasaheb Ambedkar Jayanti . Because of enlightenment and death (parinirvana) of Gautama Buddha,Punjabi new year the festival Vesak is observed . (or 1 November in the S. Hemisphere),usually in April (first),January 19 [O.S. January 6]: Armenian Patriarchate of Jerusalem is when Vesak is celebrated . Vesak 2018 date was May 27 (Eastern) . The 2021 date of the festival was April 30 (Eastern)
Vesak is celebrated in line with Bandi Chhor Divas