Dates bow down to me

ImGoodAndIKnowIt.m

//
//  ViewController.m
//  Stupid
//
//  Created by Josh Holtz on 12/10/12.
//  Copyright (c) 2012 RokkinCat. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];

    NSString *dateStr = @"2013-02-06T08:00:00+00:00";
    NSDate *date = [self doShit:dateStr];
    
    NSLog(@"Stupid date - %@", date);
    NSLog(@"Stupid date in local - %@", [self dateToLocalTimezone:date]);
}

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

- (NSDate*)doShit:(NSString*)str {
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
    [dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZ"];
    
    NSDate *date = nil;
    NSError *error = nil;
    if (![dateFormatter getObjectValue:&date forString:str range:nil error:&error]) {
        NSLog(@"Date '%@' could not be parsed: %@", self, error);
    }

    return date;
}

- (NSDate*)dateToLocalTimezone:(NSDate*)date {
    NSTimeZone* sourceTimeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
    NSTimeZone* destinationTimeZone = [NSTimeZone systemTimeZone];
    
    NSInteger sourceGMTOffset = [sourceTimeZone secondsFromGMTForDate:date];
    NSInteger destinationGMTOffset = [destinationTimeZone secondsFromGMTForDate:date];
    NSTimeInterval interval = destinationGMTOffset - sourceGMTOffset;
    
    return [[NSDate alloc] initWithTimeInterval:interval sinceDate:date];
}


@end

OUTPUT.txt

2012-12-10 19:15:49.010 Stupid[13503:c07] Stupid date - 2013-02-06 08:00:00 +0000
2012-12-10 19:15:49.012 Stupid[13503:c07] Stupid date in local - 2013-02-06 02:00:00 +0000