Most Bar/Bat Mitzvahs are held on the Sabbath which is Saturday but this isn’t required. The ceremony can take place either in the synagogue or in private as well. The ceremony of the bar or bat mitzvahs is typically held around the child’s 12th or 13th birthday and takes place in the synagogue. For many Jews, it is the first Saturday after. What the Bar/Bat Mitzvah Package can Include. Initial consultation to discuss progress to date; ideas for the event and review of the budget. Location scouting and selection; Selection of Vendors (Photographers, musicians, caterers, entertainment, designers, stylists, etc.) Design Assistance for the Reception.