Following 3,000 years of customs and traditions, the colorful Nowruz Festival — the Persian New Year celebration — will be held on Sunday, March 16, 2025, from 11 a.m. to 7 p.m. This year's festival, with more than 60 booth vendors, is free and will be held indoor & outdoor at Hilton Washington Dulles Airport. This free event attracts thousands of visitors who come for the music, dance, dramatic performances, shopping at the Bazaar, and costumed characters roaming the festival.