Commentary for II Kings 15:30
וַיִּקְשָׁר־קֶ֜שֶׁר הוֹשֵׁ֣עַ בֶּן־אֵלָ֗ה עַל־פֶּ֙קַח֙ בֶּן־רְמַלְיָ֔הוּ וַיַּכֵּ֙הוּ֙ וַיְמִיתֵ֔הוּ וַיִּמְלֹ֖ךְ תַּחְתָּ֑יו בִּשְׁנַ֣ת עֶשְׂרִ֔ים לְיוֹתָ֖ם בֶּן־עֻזִיָּֽה׃
And Hoshea the son of Elah made a conspiracy against Pekah the son of Remaliah, and smote him, and slew him, and reigned in his stead, in the twentieth year of Jotham the son of Uzziah.
Rashi on II Kings
In the twentieth year of Yosam. He should have said, “in the fourth year of Achaz,” because Yosam's entire reign lasted [only] sixteen years, but since Achaz was wicked, Scripture prefers to count [the years with reference] to Yosam who was in the grave, rather than to Achaz, who was alive.13Alternatively, because the Divine decree of destruction had been passed against Pekach during Yosam's reign, therefore its fulfillment is reckoned in terms of his reign even though it took place after his death.—Radak Thus it is [stated] in Seder Olam.
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