TEHRAN (IQNA) – Shah Cheragh, a funerary monument and mosque in Shiraz, south of Iran, was dusted and washed with rosewater in a ritual held on the occasion of birthday anniversary of Imam Mahdi (may God hasten his glad advent).

Shah Cheragh houses the tombs of Ahmad and Muhammad, the sons of Imam Musa Kadhim (AS), the seventh Shia Imam.

The 15th day of the lunar Hijri month of Sha’aban marks the birthday anniversary of Imam Mahdi (AS), the twelfth Imam.

It is celebrated by Shia Muslims worldwide. This year, Mid-Sha’aban fell on Monday, March 29.