title: How to get timezone from lat long or zip code where tzwhere is not a option
body: <p>As <code>tzwhere</code> is taking a longer time to run on <code>Serverless</code>, how do I get the proper <code>timezone</code> which supports daylight savings. I need to pass in either <code>latitude</code> and <code>longitude</code> or the <code>zipcode</code> to find the <code>timezone</code>, say, <code>'US/Eastern'</code>. </p>