Amos 5:20; Amos 8:8; Amos 8:9

20 Shall not the day of the LORD be darkness, and not light? even very dark, and no brightness in it?

8 Shall not the land tremble for this, and every one mourn that dwelleth therein? and it shall rise up wholly as a flood; and it shall be cast out and drowned, as by the flood of Egypt.

9 And it shall come to pass in that day, saith the Lord GOD, that I will cause the sun to go down at noon, and I will darken the earth in the clear day: