Paint milestonesPaint = new Paint();
    milestonesPaint.setStyle(Paint.Style.FILL);
    milestonesPaint.setColor(Color.BLUE);

    RectF rect = new RectF(startCoordinates.x + 5, startY + 5, startCoordinates.x + calendarFontSpacing - 5, stopY - 5);
    canvas.drawRect(rect, milestonesPaint);