It was, as a very great, so a sudden change, that the people, who but the other day were so ready to comply with wicked Ahaz in his idolatrous and impious prescriptions, were now so free and forward in God's service; whereby it plainly appeared to be the work of the Almighty God changing their hearts by his Holy Spirit.
Related Commentaries of 2 Chronicles 29:36
2 Chronicles 29:36
36 And Hezekiah rejoiced, and all the people, that God had prepared the people: for the thing was done suddenly.