iOS-Get Date time from Time Stamp

NSString*betweenBraces,*newString;
NSRange start = [[dict valueForKey:@"DateCreated"] rangeOfString:@"("];
   NSRange  end = [[dict valueForKey:@"DateCreated"] rangeOfString:@")"];
  
 if (start.location != NSNotFound && end.location != NSNotFound && end.location ]] >  start.location)
    {
        betweenBraces = [[dict valueForKey:@"DateCreated"] substringWithRange:NSMakeRange(start.location+1, end.location-(start.location+1))];
    }
    newString = [betweenBraces substringToIndex:[betweenBraces length]-8];
      NSTimeInterval _interval=[newString doubleValue];
    NSDate *date = [NSDate dateWithTimeIntervalSince1970:_interval];
    NSDateFormatter *_formatter=[[NSDateFormatter alloc]init];
    [_formatter setDateFormat:@"dd/MM/yyyy"];
    NSString *_date=[_formatter stringFromDate:date];
    UILabel *datelbl = [UILabel new];
    [datelbl setText:_date];
   [self.view addSubView:datelbl];