NSDate+DateUtils

NSDate+DateUtils.h

@interface NSDate (DateUtils)

- (NSDate *)toLocalTime;
- (NSString *)toLocalShortTime;
- (NSString *)toLocalShortDate;
- (NSString *)toLocalShortDate2;
- (NSString *)toLocalHeaderDate;
- (NSString *)toLocalArticleDetailDate;

@end

NSDate+DateUtils.m

#import "NSDate+DateUtils.h"

@implementation NSDate (DateUtils)


- (NSDate *)toLocalTime {
    
    NSTimeZone *zone = [NSTimeZone systemTimeZone];
    
    NSInteger seconds = [zone secondsFromGMTForDate:self];
    
    return [NSDate dateWithTimeInterval:seconds sinceDate:self];
}


- (NSString *)toLocalShortTime {
    
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    
    [dateFormatter setDateStyle:NSDateFormatterNoStyle];
    [dateFormatter setTimeStyle:NSDateFormatterShortStyle];
    
    [dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
    
    return [dateFormatter stringFromDate:self];
}


- (NSString *)toLocalShortDate {
    
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    
    [dateFormatter setDateFormat:@"yyyyMMdd"];
    
    [dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
    
    return [dateFormatter stringFromDate:self];
}


- (NSString *)toLocalShortDate2 {
    
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    
    [dateFormatter setDateFormat:@"M/dd/yy"];
    
    [dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
    
    return [dateFormatter stringFromDate:self];
}


- (NSString *)toLocalHeaderDate {
    
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    
    [dateFormatter setDateFormat:@"EEEE, MMM d"];
    
    [dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
    
    return [dateFormatter stringFromDate:self];
}


- (NSString *)toLocalArticleDetailDate {
    
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    
    [dateFormatter setDateFormat:@"MMM d, yyyy"];
    
    [dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
    
    return [dateFormatter stringFromDate:self];
}


@end