private void drawHourMinSec(Canvas canvas, double moment, boolean isHour, boolean isSecond) {
        double angle = Math.PI * moment / 30 - Math.PI / 2;
        int handRadius = isHour ? mRadius - mHandTruncation - mHourHandTruncation : mRadius - mHandTruncation;
        float pivotX = (float) (mWidth / 2 + Math.cos(angle) * handRadius);
        float pivotY = (float) (mHeight / 2 + Math.sin(angle) * handRadius);
        setPivotY(pivotY);
        setPivotX(pivotX);
        if (isSecond) mPaint.setColor(Color.RED);

        canvas.drawLine(mWidth / 2, mHeight / 2, pivotX, pivotY, mPaint);
    }