title: How to convert NSString with day light saving to NsDate
body: <p>I have an NSString  like this @"2010-08-30T11:00:00-04:00" . How to convert this to an NSDate ? Which DateFormat should be used with it ? I tried this @"yyyy-MM-dd'T'HH:mm:ss-SSS" . But didn't worked. Please help me.</p>
  
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  <p>I found @"yyyy-MM-dd'T'HH:mm:ss-SSS" was working fine in OS version 3.1 . But its not getting in 4.0 .This <a href="https://stackoverflow.com/questions/3212214/for-iphone-os-4-0-datefromstring-method-of-nsdateformatter-returns-nil">question</a> also pointing similar problem. Please give a solution </p>