Quick Facts The UN’s International Day of Nowruz, also known as Nowruz, No-Ruz, No-Rooz or No Ruz, is observed on March 21 each year. Local names Name Language International Day of Nowruz English Día Internacional de Nowruz Spanish נורוז Hebrew نوروز Arabic 누루즈 Korean Internationaler Norooz-Tag German International Day of Nowruz 2014 Friday, March 21, 2014 International Day of Nowruz 2015 Saturday,