Nowruz Holiday, Farvardin 3. Nowruz is one of the oldest Iranian festivals, marking the start of the new year in the Shahanshahi calendar and in many regional cultures. The holiday is observed with special customs such as family gatherings, the Haft-Seen table, and visiting relatives. In the Shahanshahi calendar, the Nowruz holiday extends over several days, with Farvardin 3 included in this festive period. For many Iranians and related communities, these days are an opportunity to renew social ties and honor longstanding cultural traditions.