App\Helpers\Macros\Traits\Dropdowns::formatOffset PHP Method

    private function formatOffset($offset)
    {
        $hours = $offset / 3600;
        $remainder = $offset % 3600;
        $sign = $hours > 0 ? '+' : '-';
        $hour = (int) abs($hours);
        $minutes = (int) abs($remainder / 60);
        if ($hour == 0 && $minutes == 0) {
            $sign = ' ';
        }
        return $sign . str_pad($hour, 2, '0', STR_PAD_LEFT) . ':' . str_pad($minutes, 2, '0');
    }