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.