Nowruz is the Persian New Year, and means "new day." This is a day that can involve prayers and festivals, depending on the region and is observed by Zoroastrians, Baháʼís, some Muslim communities, and is considered a national holiday in Iran and Afghanistan. Source: Britannica, T. Editors of Encyclopaedia (2020, March 13). Nowruz. Encyclopedia Britannica. https://www.britannica.com/topic/Nowruz