GOD'S WORD® Translation
That way you will be able to determine what is best and be pure and blameless until the day of Christ.

American Standard Version
so that ye may approve the things that are excellent; that ye may be sincere and void of offence unto the day of Christ;

Berean Study Bible
so that you may be able to test and prove what is best and may be pure and blameless for the day of Christ,

Douay-Rheims Bible
That you may approve the better things, that you may be sincere and without offence unto the day of Christ,

English Revised Version
so that ye may approve the things that are excellent; that ye may be sincere and void of offence unto the day of Christ;

King James Bible
That ye may approve things that are excellent; that ye may be sincere and without offence till the day of Christ;

World English Bible
so that you may approve the things that are excellent; that you may be sincere and without offense to the day of Christ;

Young's Literal Translation
for your proving the things that differ, that ye may be pure and offenceless -- to a day of Christ,

Philippians 1:10 Additional Translations ...