CalendarEntryAjax::getLimitDates

protected function getLimitDates(int $yearFrom, int $monthFrom, int $yearTo, int $monthTo): array
{
	$userTimezoneName = CCalendar::GetUserTimezoneName(CCalendar::GetUserId());
	$offset = Util::getTimezoneOffsetUTC($userTimezoneName);
	return [
		'from' => CCalendar::Date(mktime(0, 0, 0, $monthFrom, 1, $yearFrom) - $offset, false),
		'to' => CCalendar::Date(mktime(0, 0, 0, $monthTo, 1, $yearTo) - $offset, false),
	];
}