Nowrūz meaning "[The] New Day") is the name of the Iranian New tahun in Iranian calendars and the corresponding traditional celebrations.Nowruz is also widely referred to as the "Persian New Year".

Spring cleaning, atau Khouneh Tekouni (literally means 'shaking the house') atau 'complete cleaning of the house' is commonly performed before Nowruz. Persians and other Indo-Iranian groups (Kurds, Azarbaijanis and Balochs) start preparing for the Nowruz with a major spring-cleaning of their houses, the purchase of new clothes to wear for the new tahun and the purchase of bunga (in particular the hyacinth...