title: How can derived from ISO 8061 string datetime to get timezone name in Python3?
body: <p>Input: <strong>2016-09-20T16:43:45+05:30</strong></p>
  
  <p>Output: <strong>Asia/Kolkata</strong> //<em>Expected Result</em></p>
  
  <p>Any help will be appreciated.</p>