This document outlines the exam timetables for the 12th standard Commerce and Science exams taking place between February 21, 2013 and March 6, 2013. It provides the dates, exam papers, and exam times for subjects including Marathi, Hindi, English, Political Science, Secretarial Practices, Book Keeping & Accountancy, Mathematics & Statistics, Economics, Organisation of Commerce & Management, Physics, Chemistry, Biology, and others. The exams will take place between 11:00 am and 6:00 pm on various dates in February and March 2013.