It looks like you just have to specify an argument slotMinutesin the parameters when initializing the calendar:
$('#calendar').fullCalendar({
header: {
left: 'prev,next today',
center: 'title',
right: 'month,agendaWeek,agendaDay'
},
slotMinutes: 5,
});
, ( "", ), 5 . , - (.. 30- , 5- ).
, !