And I said unto them, Let not the gates of Jerusalem be opened until the sun is hot; and while they stand guard, let them shut the doors, and bar them: and appoint guards from the inhabitants of Jerusalem, every one at his station, and every one to be opposite his house.
All Commentaries on Nehemiah 7:3 Go To Nehemiah 7
George Leo Haydock
Sun. Literally, "the heat of the sun "or perfect daylight. (Haydock)
They. Syriac and Arabic, "while it was still day "(Calmet) or the sun shone. Before dusk the gates were shut, to prevent any improper person from entering. (Haydock)
House, on the walls. (Calmet)
These things protect a city; as grace a guard over the senses, and watchfulness do the soul. (Worthington)