Importance Of First Days Of Zil Hajj In Islam The month of Zil Hajj is an extremely important month. This is the month in which Hajj is performed. Especially the first ten days of this month have very special value. There are several authentic sayings of Prophet Mohammed (S.A.W.) regarding the virtues of the first ten days of Zil Hajj. The first ten days of this month are highly sacred and the good deeds are highly rewarded by Allah during these ten days. As mentioned in Bukhari 15: 86, Prophet Mohammed (S.A.W.) said, "No good deeds done on other days are superior to those done on these (means the first ten days of Zil Hajj)”. After listening to this, a few companions of the Prophet Mohammed (S.A.W.) asked, “Not even Jihad?”.