2 Kings 20:10 in the King James Version
And Hezekiah answered, It is a light thing for the shadow to go down ten degrees: nay, but let the shadow return backward ten degrees.
Context
9 Isaiah said, “This will be the sign to you from the LORD, that the LORD will do the thing that he has spoken: should the shadow go forward ten steps, or go back ten steps?”
10 Hezekiah answered, “It is a light thing for the shadow to go forward ten steps. No, but let the shadow return backward ten steps.”
11 Isaiah the prophet cried to the LORD; and he brought the shadow ten steps backward, by which it had gone down on the sundial of Ahaz.