Khorram-ruz, first Day of Dadvah · Khorram-ruz

Culture of origin: Zoroastrian · Ancient festival

Holiday sources: Iran · Zoroastrianism

Khorram-ruz, "the joyful day", is the first of the four feasts of Dadvah, the Creator: the 1st of Dey in the Zoroastrian calendar, where the Creator's day meets his month. Al-Biruni and Gardizi also call it Khvar-ruz, "Sun day", and Navad-ruz, "ninety days", for the ninety days left until Nowruz. It opened the three-month "small winter".