title: How to find timezone ID from IP address/country name in PHP?
body: <p>Can anyone please tell me if there is any way available in PHP to fetch timezone region  like('Asia/Calcutta') from IP Address or country name?</p>
  
  <p>Description:</p>
  
  <p>I am trying to set user timezone based on his/her country. I am getting user country from his IP address, But I need timezone region of that country like('Asia/Calcutta') to check whether DST is on in that country.
  Can anyone please provide me some suitable solution in PHP?</p>