main.js

// MIT License
// 
// Copyright (c) 2019 Hugonun(https://github.com/hugonun)

function convertIDtoUnix(id) {
	/* Note: id has to be str */
	var bin = (+id).toString(2);
	var unixbin = '';
	var unix = '';
	var m = 64 - bin.length;
	unixbin = bin.substring(0, 42-m);
	unix = parseInt(unixbin, 2) + 1420070400000;
	return unix;
}

function convert(id) {
	var unix = convertIDtoUnix(id.toString());
	var timestamp = moment.unix(unix/1000);
	document.getElementById('i-date24').innerHTML = timestamp.format('YYYY-MM-DD, HH:mm:ss');
	document.getElementById('i-date12').innerHTML = timestamp.format('YYYY-MM-DD, h:mm:ss A');
	document.getElementById('i-timezone').innerHTML = moment.tz.guess();
	document.getElementById('i-timeago').innerHTML = timestamp.fromNow();
	document.getElementById('i-timestamp').innerHTML = unix;
}