Jehoiarib. The twenty-four courses took, and kept, the names of these first heads (verses: 1Ch_24:7-18). Each officiated a week (Sabbath to Sabbath), and Zacharias belonged to the eighth (Luk_1:5). Compare Neh 12. Solomon appointed the same courses, which were continued by Hezekiah and Josiah. Only four returned from the Captivity (Ezr_2:36-39. Neh_7:39-42; Neh_12:1-21). Luk_1:5 shows that they must have been made complete.