John Gills Exposition of the Bible Commentary - Isaiah 38:8
Behold, I will bring again the shadow of the degrees ,.... Or lines made on a dial plate, to show the progress of the sun, and what time of day it was. Some think only the shadow was brought back by the power of God, the sun keeping its course as usual; but in the next clause the sun is expressly said to return ten degrees: besides, it is not easy to conceive how the shadow of the sun should go back, unless the sun itself did; if it had been only the shadow of it on Ahaz's dial, it would not... read more
John Gills Exposition of the Bible Commentary - Isaiah 38:7
And this shall be a sign unto thee from the Lord ,.... And which it seems Hezekiah asked, and it was put to him which he would choose, whether the shadow on the sundial should go forward or backward ten degrees, and he chose the latter, 2 Kings 20:8 , which was a token confirming and assuring that the Lord will do this thing that he hath spoken ; recover Hezekiah from his sickness, so that on the third day he should go up to the temple; have fifteen years added to his days; and the... read more