1 Chronicles 24King James Version
The twenty four priestly courses, each taking its turn serving in the temple. This is the structure that will still be in place a thousand years later when Zechariah, father of John the Baptist, is burning incense in the temple.
Chapter 24 organizes the priestly family of Aaron into twenty-four divisions, established by lot so that no human preference determines the rotation. The sons of Eleazar receive sixteen divisions; the sons of Ithamar, eight. A companion list records Levites not serving as priests. The lot ensures fairness and divine sanction.
Using the lot to assign priestly duties removes favoritism and makes every division's rotation a matter of divine appointment, not human politics.
24:5, Thus were they divided by lot, one sort with another; for the governors of the sanctuary, and governors of the house of God, were of the sons of Eleazar, and of the sons of Ithamar., The lot governs; no person's preference overrides it.
In front of the king and the chief priests, names are drawn by lot. The sons of Eleazar and Ithamar alternate through the drawing until all twenty-four divisions are established. No one lobbied for a better rotation. David designed the system to take himself and every human preference out of it. The Chronicler notes this because it matters who determines sacred assignments.
Aaron's sons as the priestly line; Eleazar, whose descendants receive more divisions because of greater numbers; Ithamar, whose line receives eight divisions; Zadok and Ahimelech as current priestly representatives; David and his officials who oversee the casting of lots.
Post-exile priests who served in specific weekly rotations, as mentioned in Luke 1 for Zechariah, inherited this exact system. The twenty-four divisions David organized here were still operating five centuries later. For the returnees establishing temple service, this chapter was not ancient history; it was the operational template.
For when you are worried that your role in a larger structure was determined by someone else's preference rather than anything fair. The lot here says God ordered the assignments.
1Now these are the divisions of the sons of Aaron. The sons of Aaron; Nadab, and Abihu, Eleazar, and Ithamar.
2But Nadab and Abihu died before their father, and had no children: therefore Eleazar and Ithamar executed the priest's office.
3And David distributed them, both Zadok of the sons of Eleazar, and Ahimelech of the sons of Ithamar, according to their offices in their service.
4And there were more chief men found of the sons of Eleazar than of the sons of Ithamar; and thus were they divided. Among the sons of Eleazar there were sixteen chief men of the house of their fathers, and eight among the sons of Ithamar according to the house of their fathers.
5Thus were they divided by lot, one sort with another; for the governors of the sanctuary, and governors of the house of God, were of the sons of Eleazar, and of the sons of Ithamar.
6And Shemaiah the son of Nethaneel the scribe, one of the Levites, wrote them before the king, and the princes, and Zadok the priest, and Ahimelech the son of Abiathar, and before the chief of the fathers of the priests and Levites: one principal household being taken for Eleazar, and one taken for Ithamar.
7Now the first lot came forth to Jehoiarib, the second to Jedaiah,
8The third to Harim, the fourth to Seorim,
9The fifth to Malchijah, the sixth to Mijamin,
10The seventh to Hakkoz, the eighth to Abijah,
11The ninth to Jeshua, the tenth to Shecaniah,
12The eleventh to Eliashib, the twelfth to Jakim,
13The thirteenth to Huppah, the fourteenth to Jeshebeab,
14The fifteenth to Bilgah, the sixteenth to Immer,
15The seventeenth to Hezir, the eighteenth to Aphses,
16The nineteenth to Pethahiah, the twentieth to Jehezekel,
17The one and twentieth to Jachin, the two and twentieth to Gamul,
18The three and twentieth to Delaiah, the four and twentieth to Maaziah.
19These 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.
20And the rest of the sons of Levi were these: Of the sons of Amram; Shubael: of the sons of Shubael; Jehdeiah.
21Concerning Rehabiah: of the sons of Rehabiah, the first was Isshiah.
22Of the Izharites; Shelomoth: of the sons of Shelomoth; Jahath.
23And the sons of Hebron; Jeriah the first, Amariah the second, Jahaziel the third, Jekameam the fourth.
24Of the sons of Uzziel; Michah: of the sons of Michah; Shamir.
25The brother of Michah was Isshiah: of the sons of Isshiah; Zechariah.
26The sons of Merari were Mahli and Mushi: the sons of Jaaziah; Beno.
27The sons of Merari by Jaaziah; Beno, and Shoham, and Zaccur, and Ibri.
28Of Mahli came Eleazar, who had no sons.
29Concerning Kish: the son of Kish was Jerahmeel.
30The sons also of Mushi; Mahli, and Eder, and Jerimoth. These were the sons of the Levites after the house of their fathers.
31These likewise cast lots over against their brethren the sons of Aaron in the presence of David the king, and Zadok, and Ahimelech, and the chief of the fathers of the priests and Levites, even the principal fathers over against their younger brethren.