js epoch code example

Example 1: get epoch timestamp js

Math.floor(Date.now() / 1000)

Example 2: javascript today date in epoch

const start = Date.now(); 
/*gives the number of milliseconds elapsed since January 1, 1970 00:00:00 UTC.*/

Example 3: javascript getHours from epoch

function convert(t) {
  const dt = new Date(t);
  const hr = dt.getUTCHours();
  const m = "0" + dt.getUTCMinutes();
  
  return hr + ':' + m.substr(-2)
}

console.log(convert(1542895249079));
console.log(convert(1542897015049));
console.log(convert(1542902445344));