To create new time table you have to go in Time table module and click on manage time table menu this will show time table form

here all asterisk (*) mark field are mandatory field.  To create time table of that class we have to select weekday, course name and batch and and to create period click on go button this will show start time, end time, subject and teacher name of

That period here we can also add break time of the class then click submit button after all details are being filled this will create time table.