current time in milliseconds javascript code example

Example 1: javascript today date in epoch

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

Example 2: javascript get current time

var date = new Date(Date.UTC(2012, 11, 20, 3, 0, 0));

// formats below assume the local time zone of the locale;
// America/Los_Angeles for the US

// US English uses 12-hour time with AM/PM
console.log(date.toLocaleTimeString('en-US'));
// "7:00:00 PM"

// British English uses 24-hour time without AM/PM
console.log(date.toLocaleTimeString('en-GB'));
// "03:00:00"

Example 3: convert milliseconds to time javascript

function msToTime(s) {

  // Pad to 2 or 3 digits, default is 2
  function pad(n, z) {
    z = z || 2;
    return ('00' + n).slice(-z);
  }

  var ms = s % 1000;
  s = (s - ms) / 1000;
  var secs = s % 60;
  s = (s - secs) / 60;
  var mins = s % 60;
  var hrs = (s - mins) / 60;

  return pad(hrs) + ':' + pad(mins) + ':' + pad(secs) + '.' + pad(ms, 3);
}

console.log(msToTime(55018))