title: TimeZones in specific format
body: <p>I am new to the concept of TimeZone in iphone.I have struck with small doubt,how can we get all the timezones in the iphone device in the format of (GMT +5:30) Bombay,Calcutta,Madras,New Delhi.
  I am trying this by using the api [NSTimeZone knownTimeZoneNames] and place it in an array but it shows in different format but i want the above format.can you please help any body if you know this..</p>