Berean Study Bible (BSB) - Isaiah 38:8 >

I will make the sun’s shadow that falls on the stairway of Ahaz go back ten steps.’” So the sunlight went back the ten steps it had descended.

Jewish Publication Society of America Version (JPS1917) - Isaiah 38:8 >

behold, I will cause the shadow of the dial, which is gone down on the sun-dial of Ahaz, to return backward ten degrees.' So the sun returned ten degrees, by which degrees it was gone down.