for (const [start, end] of rest) {
        const cell = this.addLabelCell();
        cell.style.top = `${marginTop}px`;
        cell.style.left = calculatePositionValueForDayCount(vp, start.diff(startView, 'days'));
        cell.style.width = calculatePositionValueForDayCount(vp, end.diff(start, 'days') + 1);