Nepal is rich in culture. Its culture consists of the social customs and traditions. Nepal has a unique culture. The rich cultural heritage of Nepal, has evolved over the centuries. This multi-dimensional cultural heritage encompasses within itself the cultural diversities of various ethnic, tribal, and social groups inhabiting different altitudes, and it manifests in various forms: music and dance; art and craft; folklore and folktales; languages and literature; philosophy and religion; festivals and celebration; foods and drinks.
Several of the festivals of Nepal last from one day to several days. Dashain is the longest and the most important festival of Nepal. Generally Dashain falls in late September to mid October, right after the end of the monsoon season in Nepal. It is "a day of Victory over Demons". Tihar is another important festival of Nepal. Other important festivals include Buddha Jayanti (the celebration of the birth of the Buddha), Maha Shivaratri (a festival of Lord Shiva), and during Maha Shivaratri festivities, some people consume excessive drinks and smoke charas. Sherpas, mostly located at higher altitudes and in the Mount Everest region, celebrate Mani Rimdu, for the good of the world. Most festivals include dancing and music, as well as all kinds of local delicacies. A variety of foods are consumed during festivals and on special occasions. If one has to taste Nepali food, Newa cuisine is a must have; a festive meal, like the one served during a marriage, is a real treat, and include vegetarian as well as non-vegetarian dishes.