These had as their appointed duty in their service to come into the house of the LORD according to the procedure established for them by Aaron their father, as the LORD God of Israel had commanded him.
The particular account of these establishments is of little use to us now; but, when Ezra published it, it was of great use to direct their church affairs after their return from captivity into the old channel again. The title of this record we have v.
Commenting on 1 Chronicles 24:1-19
These were the orderings of them,.... Their classes or courses into which they were divided: in their service to come into the house of the Lord; to perform their service in the temple, according to their turns, and in course as fixed by lot; one class or course served one week, and then went out, and another came in, each consisting of 1000 men, see Ch1 23:4.
These [were] the orderings of them in their service to come into the house of the LORD, according to their manner, under Aaron their father, as the LORD God of Israel had commanded him. (d) By the dignity that God gave to Aaron.