Disable Past Date in UIDatePicker

 UIDatePicker *datePicker = [[UIDatePicker alloc]initWithFrame:CGRectMake(0, 40, 320, 216)];

 datePicker.datePickerMode = UIDatePickerModeDate;

 datePicker.hidden = NO;

 [datePicker setMinimumDate: [NSDate date]];//Disable Past Date in UIDatePicker