i want to use javascript varible in php..i refered much stackoverflow link and google but i didn't get proper solution..i also know js is client side scripting language and php is serverside..but i want js varible in php and i had also try with ajax call but i want set time zone in this file not other file so ajax call is not working in my situation.any one help me how to get same result for varible in echo and var_dump... 
<html>
     <script  type='text/javascript'>
        var timezone = jstz.determine();
        var timezone=timezone.name(); 
        console.log(timezone);
        // it print 'Asia/Kolkata';
    <?php $abc = "<script  type='text/javascript'>document.write(timezone)</script>"?> 
    </script>
    <?php
      echo $abc;
      // it print 'Asia/Kolkata';
      var_dump($abc);
      // it print string '<script  type='text/javascript'>document.write(timezone)</script>' (length=65)
    ?>
</html>
any help must be appreciated..Thnks
 
    