Flip Counter Counting Up

flipCounterCountingUp.js

    var startD = new Date("April 7, 2015")/3600;
    var currD = new Date()/3600;
    var diffD = Math.abs(currD - startD);
    var time = Math.ceil(diffD)+10000;
    
    var clock = $('.flip-counter').FlipClock(time, {
		clockFace: 'Counter'
	});

	setTimeout(function() {
		setInterval(function() {
			clock.increment();
		}, 4622);
	});