gistfile1.m

// Handling Flak dates

NSDateFormatter* dateFormatter;
...
@property (nonatomic, retain) NSDateFormatter *dateFormatter;

//In the init method of something
self.dateFormatter = [[NSDateFormatter alloc] init];
self.dateFormatter.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss'Z'";



- (NSDate *) createLocalDate:(NSDictionary *)messageDictionary forKey:(NSString *)key {
    
    NSDate *sourceDate;
    NSTimeZone *sourceTimeZone;
    NSTimeZone *destinationTimeZone;
    NSInteger sourceGMTOffset;
    NSInteger destinationGMTOffset;
    NSTimeInterval interval;
    NSDate *destinationDate;
    
    // The create date of the message returned by the Flak server
    sourceDate = [self.dateFormatter dateFromString:[messageDictionary objectForKey:key]];
    
    sourceTimeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
    destinationTimeZone = [NSTimeZone systemTimeZone];
    
    sourceGMTOffset = [sourceTimeZone secondsFromGMTForDate:sourceDate];
    destinationGMTOffset = [destinationTimeZone secondsFromGMTForDate:sourceDate];
    interval = destinationGMTOffset - sourceGMTOffset;
    
    destinationDate = [[[NSDate alloc] initWithTimeInterval:interval sinceDate:sourceDate] autorelease];
    return destinationDate;
}