WCF JSON Date to NSDate

gistfile1.m

- (NSDate *)deserializeJsonDateString:(NSString *)jsonDateString
{
    NSInteger offset = [[NSTimeZone defaultTimeZone] secondsFromGMT];
    NSInteger startPosition = [jsonDateString rangeOfString:@"("].location + 1;
    NSTimeInterval unixTime = [[jsonDateString substringWithRange:NSMakeRange(startPosition, 13)] doubleValue] / 1000;
    
    return [[NSDate dateWithTimeIntervalSince1970:unixTime] dateByAddingTimeInterval:offset];
}