Nowrūz (Persian: نوروز‎, IPA: [nouˈɾuːz], meaning "[The] New Day") is the name of the Iranian New Year^[4] in Iranian calendars and the corresponding traditional celebrations.^[5] Nowruz is also widely referred to as the "Persian New Year".^[6][7][8][9]

Nowruz is celebrated and observed by Iranian peoples and the related cultural continent and has spread in many other parts of the world, including parts of Central Asia, Caucasus, South Asia, Northwestern China, the Crimea and some groups in the Balkans.