zenhub-timestamp.js

// ==UserScript==
// @name         New Userscript
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  try to take over the world!
// @author       You
// @match        http*://github.com/*
// @grant        none
// @require      https://code.jquery.com/jquery-2.2.3.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.12.0/moment.min.js
// ==/UserScript==

(function() {
    'use strict';

    window.setInterval(function() {

        var timestamps = $('.timestamp[href^="#zh"] > time:not(.tm-parsed)');

        timestamps.each(function(index, ts) {
            ts = $(ts);
            var value = moment(ts.attr('datetime')).fromNow();
            var titleValue = moment(ts.attr('datetime')).format('MMM DD, YYYY, hh:mm A') + ' EDT';
            ts.attr('title', titleValue);
            ts.text(value);
            ts.addClass('tm-parsed');
            // console.log(value);
        });

    }, 3000);

})();