New Living Translation
Jehoshaphat was terrified by this news and begged the LORD for guidance. He also ordered everyone in Judah to begin fasting.

American Standard Version
And Jehoshaphat feared, and set himself to seek unto Jehovah; and he proclaimed a fast throughout all Judah.

Berean Study Bible
Jehoshaphat was alarmed and set his face to seek the LORD. And he proclaimed a fast throughout Judah.

Douay-Rheims Bible
And Josaphat being seized with fear betook himself wholly to pray to the Lord, and he proclaimed a fast for all Juda.

English Revised Version
And Jehoshaphat feared, and set himself to seek unto the LORD; and he proclaimed a fast throughout all Judah.

King James Bible
And Jehoshaphat feared, and set himself to seek the LORD, and proclaimed a fast throughout all Judah.

World English Bible
Jehoshaphat was alarmed, and set himself to seek to Yahweh. He proclaimed a fast throughout all Judah.

Young's Literal Translation
And Jehoshaphat feareth, and setteth his face to seek to Jehovah, and proclaimeth a fast over all Judah;

2 Chronicles 20:3 Additional Translations ...