Friday, Imam of Capital Friday prayers in Tehran, led by Ayatollah Emami Kashani From 1360 to 1397, he was the Imam of Friday in Capital. Writing the book Khat Aman The book “Khat Aman” is written by Emami Kashani and has been published in two volumes. The first volume of the book is related to the intellectual and philosophical proofs of the Imam of the Time (AS), and the second volume deals with the ideas of the Christian and Jewish religions about the reformer and savior of the end of time.