'On that Day' in the Bible

On that day I will carry out against Eli everything I said about his family, from beginning to end.

When that day comes, you will cry out because of the king you’ve chosen for yourselves, but the Lord won’t answer you on that day.”

Samuel called on the Lord, and on that day the Lord sent thunder and rain. As a result, all the people greatly feared the Lord and Samuel.

So the king said to Doeg, “Go and execute the priests!” So Doeg the Edomite went and executed the priests himself. On that day, he killed 85 men who wore linen ephods.

So on that day, Saul died together with his three sons, his armor-bearer, and all his men.