Nowruz Persian New Year 2025. نوروز‎) is the name of the iranian new year in iranian calendars and the corresponding traditional celebrations. Nowruz is a holiday marking the persian new year and the first day of spring.

The persian new year begins on the spring equinox, the day the sun shines directly on the equator and the daytime and nighttime hours are nearly equal. It marks the beginning of spring in the northern hemisphere, when the sun crosses the celestial equator and equalizes night and day.