Semiotics and Mythology of the Legend of Khatun-e-Chaharshanbesoori

Khatun-e-Chaharshanbesoori (Last Wednesday’s Khatun) is a Guilani legend which has a place beyond a typical legend in the culture of the people of Guilan because, in a ceremonial night, it has devoted many customs to itself. Hence, this myth is repeated by them every year.
In this paper, through expressing the legend of Khatun-e-Chaharshanbesoori, its semiotics and mythology has been addressed. Then, the theories are expressed and studied based on the theory of Mircea Eliade, which is among some ceremonial sample called images of gods and mythology, and the present human being repeats them, the following question is addressed: Is this legend rooted in ancient beliefs of Guilan inhibitants? In the initial response, it can be said that many ancient beliefs, in accordance with the conditions of time, place and its progress in various fields, are outdated or, it can see the traces of the mythological themes in fairy tales and ritual.
Using the methodology of data collection in libraries and data analysis, the present article aims to examine the symbolic and mythical implications of Khatun- Chaharshanbesoori, and the rituals and beliefs relating to it in Guilan province.