Thursday, March 20, 2025, marks the Persian New Year, or Nowruz, a holiday that's been celebrated for several millenniums, according to the University of Massachusettes. Nowruz, which means “new day” in Persian, is a 3,000-year-old spring festival that is celebrated by millions around the world, according to media outlet Time.

Persian New Year is celebrated in many countries across the world. Here’s everything you need to know, including what to cook and where to celebrate.