A bat mitzvah is a Jewish coming-of-age ceremony for girls, usually celebrated when they turn 12 or 13 years old. The term itself means “daughter of the commandment” in Hebrew, marking the moment when a Jewish girl becomes responsible for following Jewish laws and traditions.

During the ceremony, which takes place in a synagogue (a Jewish place of worship), the girl typically reads from the Torah, the Jewish holy scripture written in Hebrew on a special scroll. She might also give a speech about what she's learned while preparing for this important day. The preparation often takes months or even years of study with a rabbi or tutor.

The bat mitzvah celebrates the girl's growing maturity and her new role in the Jewish community. After the ceremony, families usually host a party to celebrate this milestone, similar to how other cultures mark the transition from childhood to young adulthood.

The parallel ceremony for Jewish boys is called a bar mitzvah, which typically happens at age 13. Both ceremonies represent the same idea: recognizing that young people are ready to take on more responsibility in their religious community and spiritual lives.