Accurate date formate and compare date in iphone dev?

Question

I am new in iphone, i want to change string into accurate date-formate which i couldn\'t done this for last 2 hrs. I have string like(17:30 18 Oct) and want to convert this in a

Answer 1

NSString to NSDate conversion

    NSString *dateString = @"6:30 18 Oct";
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"hh:mm dd/MMM"];
    NSDate *dateFromString = [[NSDate alloc] init];
    dateFromString = [dateFormatter dateFromString:dateString];
    [dateFormatter release];