title: UIDatePicker using mode as timer
body: <p>I have a UIDatePicker on my view,I have set DatePicker in time mode. bydefault it is showing hours and minutes and i need minutes and seconds in that picker.</p>
  
  <p>Guide me that how can i use UIDatepicker for min and sec not for hour and min.</p>
  
  <p>thanks</p>