Sunuwar are very in rich culture and traditions. They have hundreds of traditional feasts and festivals which are difficult to explain in detail. Every traditional feast and festival has its own objectives, characteristics and system of celebration. Some greatest traditional festivals such as Chandi Dance in (Baisakh Purnima), Sakela (Shyadar-Pidar), Gil puja (Gil-Pidar), Meserani puja (Meserani-Pidar) etc. are important among the others. They celebrate Shyadar-pidar festival on the Day of Buddha Purnima or after 5 days of Buddha Purnima(Panchami) according to Nepali calendar. Sunuwar New year is celebrated on the day of Basanta Panchami. As a community, they celebrate Meserani Pidar twice a year, with no specific date allocated as such.