title: How to convert NSDate into UTC format in iPhone
body: <p>I need to convert current date into UTC format, i have done the following and got the correct UTC date, below is my source code </p>
  
  <pre><code>NSDate *currDate = [NSDate date];
  NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
  NSTimeZone *timeZone = [NSTimeZone timeZoneWithName:@"UTC"];
  [dateFormatter setTimeZone:timeZone];
  [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss zzz"];
  NSString *dateString = [dateFormatter stringFromDate:currDate];
  NSLog(@"%@",dateString);
  </code></pre>
  
  <p>I am getting date in this format 2013-05-01 23:11:02 GMT only i want UTC name instead on GMT what conversion do i need to do for this.</p>