Hacker News 3 years ago

hn_3_years_ago.js

var t = new Date();
var y = t.getFullYear();
var m = t.getMonth();
var d = t.getDate();
var p1 = (new Date(y-3, m, d, 0,0,0,0).getTime() + "").slice(0,-3);
var p2 = (new Date(y-3, m, d, 23,59,0,0).getTime() + "").slice(0, -3);
var u = "https://hn.algolia.com/?query=&sort=byPopularity&prefix&page=0&dateRange=custom&type=story&dateStart=" + p1 + "&dateEnd="+ p2; 
window.location.href=u;