JSFiddle - React, Tailwind, and code Playground
JavaScript
var my_local_time = Date.parse('April 30, 2014 15:32 EST');
var dt = new Date(my_local_time);
var utc_str = dt.toUTCString();
alert(utc_str);
var my_local_time = Date.parse('April 30, 2014 15:32 EST');
var dt = new Date(my_local_time);
var utc_str = dt.toUTCString();
alert(utc_str);