FlipClockJS - Multiple Instances + data-countdown

Trying to make flipclock.js work in multiple instances while taking data from "data-countdown"

HTML

<script src="https://www.romanticfashion.se/sites/all/themes/romanticfashion/js/flipclock.js"></script>
<link rel="stylesheet" href="https://www.romanticfashion.se/sites/all/themes/romanticfashion/css/flipclock.css">
<div class="clock-1" data-countdown="15/07/2015 17:12:20" style="margin:2em;"></div>
<div class="message"></div>
<div class="clock-1" data-countdown="15/07/2015 23:19:35" style="margin:2em;"></div>
<div class="message"></div>
<div class="clock-1" data-countdown="16/07/2015 19:18:27" style="margin:2em;"></div>
<div class="message"></div>
<div class="clock-1" data-countdown="21/07/2015 16:47:40" style="margin:2em;"></div>
<div class="message"></div>
<div class="clock-1" data-countdown="21/07/2015 22:12:44" style="margin:2em;"></div>
<div class="message"></div>

JavaScript

(jQuery)(document).ready(function() {
			
			clocks.push((jQuery)('.clock-1').FlipClock(3600, {
				countdown: true,
                clockFace: 'DailyCounter',
		    }));


		});