“Analysis of Rite of Passage (from birth to death) of a Devout Zoroastrian in the Sassanian Dynasty”

Rites of Passage are considered, the most important rituals of any religion. It means the transition from one level crossing and entry into another. Rite of Passage plays in crucial moments of life such as birth, death, marriage, age of responsibility, the role of mediator and helps to overcome the crisis of the times and to be successful to handle them. Also, through doing rituals in a right way it uses the help of the sacred in life and in fact, in every stage it thanks to the help of beginning of divine forces. In this thesis, it attempts to provide detailed and step by step explanation of the most important rituals of transition age in Zoroastrianism by using historical Zoroastrian scriptures and therefore changes of the Zoroastrian religion was also ignored in the contemporary era. Because as human left behind historical epochs and went into the modern era, some concepts in his mind became evolving and some new concepts replaced old concepts. As a result the way of celebrating changed but However, the base of the rituals remained fixed and unchangeable.