English Standard Version
the Jews firmly obligated themselves and their offspring and all who joined them, that without fail they would keep these two days according to what was written and at the time appointed every year,

New American Standard Bible
the Jews established and made a custom for themselves and for their descendants and for all those who allied themselves with them, so that they would not fail to celebrate these two days according to their regulation and according to their appointed time annually.

King James Bible
The Jews ordained, and took upon them, and upon their seed, and upon all such as joined themselves unto them, so as it should not fail, that they would keep these two days according to their writing, and according to their appointed time every year;

Holman Christian Standard Bible
the Jews bound themselves, their descendants, and all who joined with them to a commitment that they would not fail to celebrate these two days each and every year according to the written instructions and according to the time appointed.

International Standard Version
the Jewish people established this celebration, making it a tradition for themselves, for their descendants, and for all who joined with them that they should not fail to observe these two days each year, based on the written instructions, and at the prescribed time.

NET Bible
Therefore, because of the account found in this letter and what they had faced in this regard and what had happened to them, the Jews established as binding on themselves, their descendants, and all who joined their company that they should observe these two days without fail, just as written and at the appropriate time on an annual basis.

GOD'S WORD® Translation
the Jews established a tradition for themselves and their descendants and for anyone who would join them. The tradition was that a person should never fail to observe these two days every year, as they were described and at their appointed time.

King James 2000 Bible
The Jews ordained, and took upon themselves, and upon their descendants, and upon all such as joined themselves unto them, so that it should not fail, that they would keep these two days according to what was written, and according to their appointed time every year;

American King James Version
The Jews ordained, and took on them, and on their seed, and on all such as joined themselves to them, so as it should not fail, that they would keep these two days according to their writing, and according to their appointed time every year;

American Standard Version
the Jews ordained, and took upon them, and upon their seed, and upon all such as joined themselves unto them, so that it should not fail, that they would keep these two days according to the writing thereof, and according to the appointed time thereof, every year;

Douay-Rheims Bible
And the things that they suffered, and that were afterwards changed, the Jews took upon themselves and their seed, and upon all that had a mind to be joined to their religion, so that it should be lawful for none to pass these days without solemnity: which the writing testifieth, and certain times require, as the years continually succeed one another.

Darby Bible Translation
the Jews ordained and took upon them, and upon their seed, and upon all such as joined themselves to them, so that it should not fail, that they would observe these two days according to their writing and according to their fixed time, every year;

English Revised Version
the Jews ordained, and took upon them, and upon their seed, and upon all such as joined themselves unto them, so as it should not fail, that they would keep these two days according to the writing thereof, and according to the appointed time thereof, every year;

Webster's Bible Translation
The Jews ordained, and took upon them, and upon their seed, and upon all such as joined themselves to them, so as it should not fail, that they would keep these two days according to their writing, and according to their appointed time every year;

World English Bible
the Jews established, and imposed on themselves, and on their descendants, and on all those who joined themselves to them, so that it should not fail, that they would keep these two days according to what was written, and according to its appointed time, every year;

Young's Literal Translation
the Jews have established and received upon them, and upon their seed, and upon all those joined unto them, and it doth not pass away, to be keeping these two days according to their writing, and according to their season, in every year and year;