fifty and two days. If finished on twenty-fifth Elul, and work took fifty-two days, it must have been commenced on third of Ab (fifth month). Work rapid, because all materials there: and God's good hand was there upon them.
Related Commentaries of Nehemiah 6:15
Nehemiah 6:15
15 So the wall was finished in the twenty and fifth day of the month Elul, in fifty and two days.