It is located in the middle of the southern border of the courtyard of the rock located in the heart of Al-Aqsa Mosque, and it may have been established for the first time in the Umayyad era, but it is certain that it was renewed in the Abbasid, Fatimid and Ottoman eras, then it was restored The Islamic Endowments Department in 1402 AH-1982 AD.

It consists of three cylindrical columns in the middle, flanked on the right and left by two great knees, and its height is 6.5 meters. The courtyard of the mosque is connected to the courtyard of the rock by a twenty-step stone staircase.

In the southern façade of this southern arcade, there is a sundial that worshipers use to know the times of prayers, and the use of it previously was wider than it is today to replace it with wristwatches, and it is made by the engineer Rushdi al-Imam in 1927