var clock;
var clock2;
    var currentDate = new Date();
    var futureDate  = new Date('31 Aug 2020 23:45');
    var diff = futureDate.getTime() / 1000 - currentDate.getTime() / 1000;
			clock = $('.clock').FlipClock(diff, {
		        clockFace: 'DailyCounter',
		        autoStart: false,
		        language: 'ru',
		        callbacks: {
		        	stop: function() {
		        		$('.message').html('The clock has stopped!')
		        	}
		        }
		    });
		    clock.setCountdown(true);
		    clock.start();
		    clock2 = $('.clock-2').FlipClock(diff, {
		        clockFace: 'DailyCounter',
		        autoStart: false,
		        language: 'ru',
		        callbacks: {
		        	stop: function() {
		        		$('.message').html('The clock has stopped!')
		        	}
		        }
		    });
		    clock2.setCountdown(true);
clock2.start();