וַיַּשְׁכֵּם֙ יְחִזְקִיָּ֣הוּ הַמֶּ֔לֶךְ וַיֶּאֱסֹ֕ף אֵ֖ת שָׂרֵ֣י הָעִ֑יר וַיַּ֖עַל בֵּ֥ית יְהוָֽה׃
Then Hezekiah the king arose early, and gathered the princes of the city, and went up to the house of the LORD.
Read midrashic interpretation of II Chronicles 29:20: and classical rabbinic exegesis.