onEnterFrame(includingFirstFrame) {
    now = new Date;
    hourHand._rotation = now.getHours() * 30 + now.getMinutes() / 2;
    hourShadow._rotation = now.getHours() * 30 + now.getMinutes() / 2;
    minuteHand._rotation = now.getMinutes() * 6 + now.getSeconds() / 10;
    minuteShadow._rotation = now.getMinutes() * 6 + now.getSeconds() / 10;
    secondHand._rotation = now.getSeconds() * 6;
}