Sort an NSArray of Time NSString's(@"09:00 AM",@"07:30 AM",@"06:45 PM",@"05:00 PM",@"12:45 AM",@"12:45 PM",@"01:00 AM",@"01:15 PM", nil];)...

Sort an NSArray of Time NSString's(@"09:00 AM",@"07:30 AM",@"06:45 PM",@"05:00 PM",@"12:45 AM",@"12:45 PM",@"01:00 AM",@"01:15 PM", nil];)...

NSString *timeSlotStr = @"03:00,04:00,01:30,02:30,04:31,06:00,07:00,04:30,04:29,05:00";

    NSArray* Array = [timeSlotStr  componentsSeparatedByString:@","];

    

    NSMutableArray *Array2 = [[NSMutableArray alloc]initWithArray:Array];

      [Array2 sortUsingSelector:@selector(compare:)];

    

     NSLog(@"Array======> %@",Array2);

  /*******************************************************************/

NSMutableArray *times = [[NSMutableArray alloc]initWithObjects:@"09:00 AM",@"07:30 AM",@"06:45 PM",@"05:00 PM",@"12:45 AM",@"12:45 PM",@"01:00 AM",@"01:15 PM", nil];

    

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

    [dateFormatter setDateFormat:@"hh:mm a"];

    

    NSMutableArray *dates = [NSMutableArray arrayWithCapacity:times.count];

    for (NSString *timeString in times)

    {

        NSDate *date = [dateFormatter dateFromString:timeString];

        [dates addObject:date];

    }

    

    [dates sortUsingSelector:@selector(compare:)];

    

    NSMutableArray *sortedTimes = [NSMutableArray arrayWithCapacity:dates.count];

    for (NSDate *date in dates)

    {

        NSString *timeString = [dateFormatter stringFromDate:date];

        [sortedTimes addObject:timeString];

    }

      NSLog(@"sortedTimes======> %@",sortedTimes);

Result:

2017-04-07 14:45:31.219 AboutDates[1182:81276] Array======> (

    "01:30",

    "02:30",

    "03:00",

    "04:00",

    "04:29",

    "04:30",

    "04:31",

    "05:00",

    "06:00",

    "07:00"

)

2017-04-07 14:45:31.221 AboutDates[1182:81276] sortedTimes======> (

    "12:45 AM",

    "01:00 AM",

    "07:30 AM",

    "09:00 AM",

    "12:45 PM",

    "01:15 PM",

    "05:00 PM",

    "06:45 PM"

)