Dashain Dashain is the greatest festival of Nepal Hindus. Like other festivals, it is also based on the lunar clendar and falls in the months of Aswin or Kartik. Dashain is observed for 15 days from the new moon day (Ghatasthapana) to the full moon day (Kojagrat Purnima). It is a festival of great delight, enthusiasm and rapture. The time of Dashain is very fine. The weather is fair and mild. There is no more mud or dust. Farmers are getting relief from their tiring season of plantations and weddings. Schools, colleges, factories and offices remain close. Fair and pleasant weather, ripening and rustling crops, busy roads and paths, crowded shops, speedy renovations and cleanliness of roads, temples, taps, etc., and decorations all indicate the arrival of the greatest festival. Dashain celebrates the inevitable victory of virtune over vice, of truth over untruth and of justice over injustice. The goddess Durga known as the goddess of victory is worshipped with great