count-day-in-year.html

//HTML
<a href="https://www.google.com" target="_blank"><div id="odometer" class="odometer">901</div></a>

//Js
<script>
setTimeout(function(){
		var now = new Date();
  var start = new Date(now.getFullYear(), 0, 0);
  var diff = (now - start) + ((start.getTimezoneOffset() - now.getTimezoneOffset()) * 60 * 1000);
  var oneDay = 1000 * 60 * 60 * 24;
  var day = Math.floor(diff / oneDay);
    odometer.innerHTML = day;
}, 2000);
</script>

//CSS
<!-- Odometr includes -->
<link rel="stylesheet" href="http://github.hubspot.com/odometer/themes/odometer-theme-train-station.css" />
<script src="http://github.hubspot.com/odometer/odometer.js"></script>

<!-- Extra styles for this example -->
<style>
.odometer {
    font-size: 60px;
}