Counter remaining time

counter.html

<div class="counter">
  <div class="counter-item">
    <div class="counter-digits days"></div>
    <div class="counter-label">дней</div>
  </div>
  <div class="counter-item">
    <div class="counter-digits hours"></div>
    <div class="counter-label">часов</div>
  </div>
  <div class="counter-item">
    <div class="counter-digits minutes"></div>
    <div class="counter-label">минут</div>
  </div>
  <div class="counter-item">
    <div class="counter-digits seconds"></div>
    <div class="counter-label">секунд</div>
  </div>
</div>

counter.js

$(function () {
    "use strict";

    function pluralize($n, $forms) {
        return $n % 10 == 1 && $n % 100 != 11 ? $forms[0] : ( $n % 10 >= 2 && $n % 10 <= 4 && ( $n % 100 < 10 || $n % 100 >= 20 ) ? $forms[1] : $forms[2] );
    }


    var xDate = new Date(2016, 2, 20, 23, 59, 59, 999); // 2016 год, март, 20 число, 23 часа, 59 минут, 59 секунд
    var offset = (-60 * 3 * 60 * 1000) - (xDate.getTimezoneOffset() * 60 * 1000);

    var getTimeLeft = function () {
        var delta = xDate - (new Date()) + offset;
        if (delta < 0) {
            return {d: 0, h: 0, m: 0, s: 0};
        }
        var timeLeft = new Date(delta);
        var time = {
            d: timeLeft.getUTCDate() - 1,
            h: timeLeft.getUTCHours(),
            m: timeLeft.getUTCMinutes(),
            s: timeLeft.getUTCSeconds()
        };
        return time;
    };

    $('.counter').each(function () {
        var $counter = $(this),
            $d = $('.days', $counter),
            $h = $('.hours', $counter),
            $m = $('.minutes', $counter),
            $s = $('.seconds', $counter);

        setInterval(function () {
            var time = getTimeLeft();
            $d.html(time.d);
            $d.next().text(pluralize(time.d, ['день', 'дня', 'дней']));

            $h.html(time.h);
            $h.next().text(pluralize(time.h, ['час', 'часа', 'часов']));

            $m.html(time.m < 10 ? '0' + time.m : time.m);
            $m.next().text(pluralize(time.m, ['минута', 'минуты', 'минут']));

            $s.html(time.s < 10 ? '0' + time.s : time.s);
            $s.next().text(pluralize(time.s, ['секунда', 'секунды', 'секунд']));
        }, 200);
    });
});