Counter
var startDate = new Date("2017-03-01T01:10:00"); var vStart =1700000000 var vPerSec = 151 setInterval(function(){ var timeDiffSec = (new Date.getTime()-startDate.getTime())/1000 var vCur = vStart +( timeDiffSec * vPerSec); },1000); document.write(vCur);