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 and decorating a venue and hiring workers, from the catering staff to emcees, DJs, entertainers and dancers (also called "motivators") to encourage the guests to dance or play games. Today many non-Orthodox Jews celebrate a girl's bat mitzvah in the same way as a boy's bar mitzvah. All Reform and Reconstructionist, and most Conservative synagogues have egalitarian participation, in which women read from the Torah and lead services. In Orthodox communities, a Bat Mitzvah is celebrated when a girl reaches the age of 12. The majority of Orthodox and some Conservative Jews reject the idea that a woman can publicly