'Mid day' in the Bible

I charged them, "Do not open the gates of Jerusalem until mid-day. Until then, let everyone stand watch, keeping the gates shut and locked. Appoint security watches from those who live in Jerusalem. Everyone should maintain his own watch near his house."

Ezra read from it, facing the plaza in front of the Water Gate, from early in the morning until mid-day in the presence of the men and women, as well as all who could understand. All the people were attentive to the Book of the Law.