private void moveMinutePointer(double newAngle) {
        final KeyValue kv = new KeyValue(currentMinuteAngle, newAngle, Interpolator.SPLINE(0.5, 0.4, 0.4, 1.0));
        final KeyFrame kf = new KeyFrame(Duration.millis(200), kv);
        timeline = new Timeline();
        timeline.getKeyFrames().add(kf);
        timeline.play();
    }