Jamkaran is located on the outskirts of
Qom, and is the site of the
Jamkaran Mosque, a popular pilgrimage site for Shi'ite Muslims. Local belief has it that the Twelfth Imam (Muhammad al-Mahdi) — a messiah figure Shia believe will lead the world to an era of universal peace — once appeared and offered prayers at Jamkaran.
On Tuesday evenings especially large crowds of tens of thousands gather at Jamkaran to pray.
Belief in Jamkarani has been compared to that of Catholics who believe that the Virgin Mary appeared to three shepherd children in Fatima, Portugal in 1917.
The mosque, six kilometres east of
Qom, has long been a sacred place, at least since 373 A.H. 17th of Ramadan (22 February 984 C.E.), when according to the mosque website, one Sheikh Hassan ibn Muthlih Jamkarani is reported to have met Muhammad al-Mahdi along with the prophet Al-Khidr.
Jamkarani was instructed that the land they were on was "noble" and that the owner — Hasan bin Muslim — was to cease cultivating it and finance the building of a mosque on it from the earnings he had accumulated from farming the
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Reference: wikipedia.org