$selectedDays = [
    new Calendar_Day(date('Y', xoops_getUserTimestamp(time(), $timeHandler->getUserTimeZone($xoopsUser))), date('n', xoops_getUserTimestamp(time(), $timeHandler->getUserTimeZone($xoopsUser))), date('j', xoops_getUserTimestamp(time(), $timeHandler->getUserTimeZone($xoopsUser)))),
];