God’s speed. The building was completed after 52days.

So the wall was finished on the twenty-fifth day of Elul, in fifty-two days. And it happened, when all our enemies heard of it, and all the nations around us saw these things, that they were very disheartened in their own eyes; for they perceived that this work was done by our God.”
Nehemiah 6:15-16 NKJV#BuildingFromThePlaceOfRest