Thematic Bible: Shadow on ahaz' sun-dial

Hezekiah said to Isaiah, What shall be the sign that the Lord will heal me and that I shall go up into the house of the Lord on the third day? And Isaiah said, This is the sign to you from the Lord that He will do the thing He has promised: shall the shadow [denoting the time of day] go forward ten steps, or go back ten steps? Hezekiah answered, It is an easy matter for the shadow to go forward ten steps; so let the shadow go back ten steps. read more.
So Isaiah the prophet cried to the Lord, and He brought the shadow the ten steps backward by which it had gone down on the sundial of Ahaz.

And this will be the sign to you from the Lord that the Lord will do this thing that He has spoken: Behold, I will turn the shadow [denoting the time of day] on the steps or degrees, which has gone down on the steps or sundial of Ahaz, backward ten steps or degrees. And the sunlight turned back ten steps on the steps on which it had gone down.