Joel 2:10-12

American Standard Version

¹⁰ The earth quaketh before them; the heavens tremble; the sun and the moon are darkened, and the stars withdraw their shining. ¹¹ And Jehovah uttereth his voice before his army; for his camp is very great; for he is strong that executeth his word; for the day of Jehovah is great and very terrible; and who can abide it?

¹² Yet even now, saith Jehovah, turn ye unto me with all your heart, and with fasting, and with weeping, and with mourning: