Nehemiah 7:3; Nehemiah 12:45; Nehemiah 13:30

3 And I said unto them, Let not the gates of Jerusalem be opened until the sun be hot; and while they stand by, let them shut the doors, and bar them: and appoint watches of the inhabitants of Jerusalem, every one in his watch, and every one to be over against his house.

45 And both the singers and the porters kept the ward of their God, and the ward of the purification, according to the commandment of David, and of Solomon his son.

30 Thus cleansed I them from all strangers, and appointed the wards of the priests and the Levites, every one in his business;