iOS/Objective-C : Now Day Calendar working perfect. I will share my code.

#import <UIKit/UIKit.h>
@interface ViewController : UIViewController {    
    UIImageView *_topBackground;
	UIButton *_leftArrow, *_rightArrow;
	UILabel *_dateLabel;	
	NSDate *day1;	
}
@end

#import "ViewController.h"
#import <QuartzCore/QuartzCore.h> /* CALayer */
#import "next.h"

static NSString *LEFT_ARROW_IMAGE                        = @"ma_leftArrow.png";
static NSString *RIGHT_ARROW_IMAGE                       = @"ma_rightArrow.png";
static const unsigned int ARROW_LEFT                     = 100;
static const unsigned int ARROW_RIGHT                    = 101;
static const unsigned int ARROW_WIDTH                    = 48;
static const unsigned int ARROW_HEIGHT                   = 38;
static const unsigned int TOP_BACKGROUND_HEIGHT          = 95; 

#define CURRENT_CALENDAR [NSCalendar currentCalendar]
#define DATE_COMPONENTS (NSYearCalendarUnit| NSMonthCalendarUnit | NSDayCalendarUnit)

@interface ViewController()

- (void)changeDay:(UIButton *)sender;
- (NSDate *)nextDayFromDate:(NSDate *)date;
- (NSDate *)previousDayFromDate:(NSDate *)date;

@property (readonly) UIButton *leftArrow;
@property (readonly) UIButton *rightArrow;
@property (readonly) UILabel *dateLabel; 

@property (readonly) UIFont *regularFont;
@property (readonly) UIFont *boldFont;
@property (readonly) NSString *titleText;

@end

@implementation ViewController

- (UIButton *)leftArrow {
	if (!_leftArrow) {
		_leftArrow = [UIButton buttonWithType:UIButtonTypeCustom];
		_leftArrow.tag = ARROW_LEFT;
		[_leftArrow setImage:[UIImage imageNamed:LEFT_ARROW_IMAGE] forState:0];
		[_leftArrow addTarget:self action:@selector(changeDay:) forControlEvents:UIControlEventTouchUpInside];
	}
	return _leftArrow;
}

- (UIButton *)rightArrow {
	if (!_rightArrow) {
		_rightArrow = [UIButton buttonWithType:UIButtonTypeCustom];
		_rightArrow.tag = ARROW_RIGHT;
		[_rightArrow setImage:[UIImage imageNamed:RIGHT_ARROW_IMAGE] forState:0];
		[_rightArrow addTarget:self action:@selector(changeDay:) forControlEvents:UIControlEventTouchUpInside];
	}
	return _rightArrow;
}

- (UILabel *)dateLabel {
	if (!_dateLabel) {
		_dateLabel = [[UILabel alloc] init];
		_dateLabel.textAlignment = NSTextAlignmentCenter;
		_dateLabel.backgroundColor = [UIColor clearColor];
		_dateLabel.font = [UIFont boldSystemFontOfSize:18];
		_dateLabel.textColor = [UIColor colorWithRed:59/255. green:73/255. blue:88/255. alpha:1];
	}
	return _dateLabel;
}

- (void)setDay:(NSDate *)date {
     	NSDateComponents *components = [CURRENT_CALENDAR components:DATE_COMPONENTS fromDate:date];
	day1 = [CURRENT_CALENDAR dateFromComponents:components];
       [day1 copy];
  	self.dateLabel.text = [self titleText];
}

- (void)changeDay:(UIButton *)sender {
   
	if (ARROW_LEFT == sender.tag) {
		self.day = [self previousDayFromDate:day1];
	} else if (ARROW_RIGHT == sender.tag) {
      		self.day = [self nextDayFromDate:day1];
	}   
}

- (NSDate *)nextDayFromDate:(NSDate *)date {
	NSDateComponents *components = [CURRENT_CALENDAR components:DATE_COMPONENTS fromDate:date];
	[components setDay:[components day] + 1];
	return [CURRENT_CALENDAR dateFromComponents:components];
}

- (NSDate *)previousDayFromDate:(NSDate *)date {
	NSDateComponents *components = [CURRENT_CALENDAR components:DATE_COMPONENTS fromDate:date];
	[components setDay:[components day] - 1];
	return [CURRENT_CALENDAR dateFromComponents:components];
}

- (NSString *)titleText {
	NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    [formatter setDateFormat:@"MM/dd/yyyy"]; 
	return [NSString stringWithFormat:@"%@",
			[formatter stringFromDate:day1]];
} 

- (void)viewDidLoad
{
    self.rightArrow.frame = CGRectMake(280, 60, 20, 20);
    [self.view addSubview:_rightArrow];

    self.leftArrow.frame = CGRectMake(10, 60, 20, 20);
    [self.view addSubview:_leftArrow];	
   
    self.day = [NSDate date];
    
    [self.view addSubview:_dateLabel];
    self.dateLabel.frame = CGRectMake(60, 0, 200, 150);

   [super viewDidLoad];
	
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end