Josiah’s Reform and the Book of the Law

Estimated date

During repairs to the temple in Josiah’s eighteenth year the high priest Hilkiah finds a book of the law. The king consults the prophetess Huldah, renews the covenant, destroys the shrines of other gods throughout the land and keeps a great Passover.

Josiah became king of Judah at the age of eight (2 Kings 22:1). His grandfather Manasseh had rebuilt the high places and set up altars to the host of heaven in the courts of the temple (2 Kings 21:3–5).

In his eighteenth year Josiah sent his secretary Shaphan to the temple to arrange payment for the workmen repairing it. The high priest Hilkiah told Shaphan, “I have found the book of the law in Yahweh’s house.” Shaphan read it, and then read it to the king (2 Kings 22:3–10).

When Josiah heard it he tore his clothes, because his people’s ancestors had not done what the book required. He sent Hilkiah and four officials to inquire of the Lord. They went to the prophetess Huldah, who lived in the second quarter of Jerusalem. She answered that the disaster written in the book would come on the city for its worship of other gods, but that Josiah, who had humbled himself, would be buried in peace before it came (2 Kings 22:11–20).

The king gathered the elders and the people at the temple, read the book aloud and made a covenant before the Lord to keep its commands, and the people joined in it (2 Kings 23:1–3). He had the vessels made for Baal, Asherah and the host of heaven taken out of the temple and burned. He defiled the high places of Judah from Geba to Beersheba and the place of child sacrifice in the valley of Hinnom, and desecrated the shrines Solomon had built for foreign gods (2 Kings 23:4–14). At Bethel he destroyed the altar set up by Jeroboam I, and he did the same in the towns of Samaria (2 Kings 23:15–20). Then he ordered a Passover kept as the book prescribed. Kings says there had been none like it since the days of the judges (2 Kings 23:21–23).

Chronicles orders the events differently. There Josiah begins to seek God in his eighth year and to purge the land in his twelfth, and the book is found in the eighteenth, when the purge is already done (2 Chronicles 34:3–8) (2 Chronicles 34:14–19). The Passover is described at length (2 Chronicles 35:1–19).

The account shows a written book of the law read in public, accepted as binding and made the measure of king and people. Thirteen years later Josiah was killed at Megiddo. Kings says of the two sons who followed him that they did evil as their fathers had done (2 Kings 23:29–37).

How this is dated

Estimated date. A scholarly estimate from primary evidence, with a margin of years.

Kings and Chronicles both date the finding of the book and the Passover to Josiah’s eighteenth year (2 Kings 22:3) (2 Kings 23:23) (2 Chronicles 34:8) (2 Chronicles 35:19). Josiah reigned thirty-one years (2 Kings 22:1) and was killed when Pharaoh Necho marched to the Euphrates (2 Kings 23:29), a march that the Babylonian chronicle places in 609 BC (Babylonian Chronicle 3 year 17). His eighteenth year is therefore 622/621 BC.

Kings does not say which book was found. Because the king’s measures match the laws of Deuteronomy on a single sanctuary and on the Passover (Deuteronomy 12:2–7) (Deuteronomy 16:5–6), most scholars since W. M. L. de Wette, Dissertatio critico-exegetica (1805), have identified it with Deuteronomy or an early form of it. Whether the book was old and rediscovered, as Kings presents it, or written not long before it was found, is disputed.

Primary sources

Every citation on this page was independently checked against its source on 3 October 2026.

In context

Grows out of

  1. 701 BC, firm date
  2. c. 1446 or c. 1260 BC, traditional date

Leads to

  1. 609 BC, firm date
  2. 605 BC, firm date
  3. 458 BC, estimated date

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