New King James Version
He who keeps his command will experience nothing harmful; And a wise man’s heart discerns both time and judgment,

King James Bible
Whoso keepeth the commandment shall feel no evil thing: and a wise man's heart discerneth both time and judgment.

American Standard Version
Whoso keepeth the commandment shall know no evil thing; and a wise man's heart discerneth time and judgment:

Berean Study Bible
Whoever keeps his command will come to no harm, and a wise heart knows the right time and procedure.

Douay-Rheims Bible
He that keepeth the commandments shall find no evil. The heart of a wise man understandeth time and answer.

English Revised Version
Whoso keepeth the commandment shall know no evil thing; and a wise man's heart discerneth time and judgment:

World English Bible
Whoever keeps the commandment shall not come to harm, and his wise heart will know the time and procedure.

Young's Literal Translation
Whoso is keeping a command knoweth no evil thing, and time and judgment the heart of the wise knoweth.

Ecclesiastes 8:5 Additional Translations ...