Bar and Bat Mitzvah to the event. However, this does not delay the onset of rights and responsibilities of being a Jewish adult which comes about strictly by virtue of age. The obligation to lay tefillin begins when a boy reaches bar mitzvah age. The common custom is for the bar mitzvah boy to begin putting on tefillin one to three months before his bar mitzvah. This way, by the time he is obligated in the commandment, he will already know how to fulfill it properly. The first mention of a party associated with a synagogue bar mitzvah was in the 13th century, so
Bar and Bat Mitzvah the closing blessing. Kaplan, who at that time claimed to be an Orthodox rabbi, joined Conservative Judaism and then became the founder of Reconstructionist Judaism, influenced Jews from all branches of non-Orthodox Judaism, through his position at the Jewish Theological Seminary of America. At the time, most Orthodox rabbis strongly rejected the idea of a bat mitzvah ceremony. As the ceremony became accepted for females as well as males, many women chose to celebrate the ceremony even though they were much older, as a way of formalizing and celebrating their place in the adult Jewish community. Instead of reading from