The Ten Days of Repentance

The days in between Rosh Hashanah and Yom Kippur are an important component in the process of repentance.

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This article is excerpted with permission from Entering the High Holy Days, published by the Jewish Publication Society.

The period of time from Rosh Hashanah to Yom Kippur is known as the Ten Days of Penitence. This name appears in sources from the Land of Israel, including the Jerusalem Talmud.

The concept of these days as a special unit of time in the Jewish year dates at least to the third century BCE. Rabbi Yohanan, who lived in the Land of Israel during that period, describes his conception of divine judgment and inscription in this season: "Three books are opened in heaven on Rosh Hashanah, one for the completely wicked, one for the completely righteous and one for those in between. The completely righteous are immediately inscribed in the book of life. The completely wicked are immediately inscribed in the book of death. The fate of those in between is suspended until Yom Kippur. If they do well, they are inscribed in the book of life. If not, in the book of death" (B.Rosh Hashanah l6b).

The Ten Days of Penitence are seen as an opportunity for change. And since the extremes of complete righteousness and complete wickedness are few and far between, Rosh Hashanah functions, for the majority of people, as the opening of a trial that extends until Yom Kippur. It is an unusual trial. Most trials are intended to determine responsibility for past deeds. This one, however, has an added dimension: determining what can be done about future deeds. The Ten Days of Penitence are crucial to the outcome of the trial, since our verdict is determined both by our attitude toward our misdeeds and by our attempts to rectify them by changing ourselves.

Repentance, Prayer, and Charity

The famous piyyut [religious poem] Unetanah tokef discusses the fact that between Rosh Hashanah and Yom Kippur there is an opportunity "to avert the severe decree" through three actions: repentance, prayer, and charity. The requirements for repentance include a change of mind, a feeling of regret, and a determination to change, along with an effort to repair the effects of one's misdeed.

The efficacy of repentance and prayer were the subject of a debate between Rabbi Judah and Rabbi Joshua ben Levi, two early third‑century sages from the Land of Israel. Rabbi Judah teaches that "repentance cancels half the punishment for sin while prayer cancels all the punishment," while Rabbi Joshua takes the opposite viewpoint. Another early Amora [Talmudic sage], Rabbi Hanana bar Yitzhak, recounted a legend of a meeting between Adam and Cain.

Adam said to him, "What happened regarding your punishment?" Cain replied, "I repented and it was mitigated." When Primal Adam heard this he banged his head and said, "So great is the power of repentance and I did not know about it!"'

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Rabbi Dr. Reuven Hammer

Rabbi Dr. Reuven Hammer is a former President of the International Rabbinical Assembly, he is one of the founders of the Masorti Movement in Israel and is currently Head of the Masorti Beth Din in Israel.