diff --git a/app/Http/Controllers/System/HolidayController.php b/app/Http/Controllers/System/HolidayController.php
new file mode 100644
index 00000000..812b424a
--- /dev/null
+++ b/app/Http/Controllers/System/HolidayController.php
@@ -0,0 +1,154 @@
+<?php
+
+namespace App\Http\Controllers\System;
+
+use App\Http\Controllers\Controller;
+use App\Models\System\Holiday;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+use Illuminate\View\View;
+
+class HolidayController extends Controller
+{
+    public function index(Request $request): View|Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('system.holidays.index'));
+        }
+
+        return view('system.holidays.index');
+    }
+
+    public function list(Request $request): JsonResponse
+    {
+        $tenantId = session('selected_tenant_id', 1);
+        $year = $request->input('year', now()->year);
+
+        $holidays = Holiday::forTenant($tenantId)
+            ->forYear($year)
+            ->orderBy('start_date')
+            ->get()
+            ->map(function ($h) {
+                return [
+                    'id' => $h->id,
+                    'startDate' => $h->start_date->format('Y-m-d'),
+                    'endDate' => $h->end_date->format('Y-m-d'),
+                    'name' => $h->name,
+                    'type' => $h->type,
+                    'isRecurring' => $h->is_recurring,
+                    'memo' => $h->memo,
+                    'days' => $h->start_date->diffInDays($h->end_date) + 1,
+                ];
+            });
+
+        return response()->json([
+            'success' => true,
+            'data' => $holidays,
+        ]);
+    }
+
+    public function store(Request $request): JsonResponse
+    {
+        $request->validate([
+            'name' => 'required|string|max:100',
+            'startDate' => 'required|date',
+            'endDate' => 'required|date|after_or_equal:startDate',
+            'type' => 'required|in:public,company,alternative,temporary',
+            'isRecurring' => 'boolean',
+            'memo' => 'nullable|string|max:500',
+        ]);
+
+        $tenantId = session('selected_tenant_id', 1);
+
+        $holiday = Holiday::create([
+            'tenant_id' => $tenantId,
+            'start_date' => $request->input('startDate'),
+            'end_date' => $request->input('endDate'),
+            'name' => $request->input('name'),
+            'type' => $request->input('type', 'public'),
+            'is_recurring' => $request->input('isRecurring', false),
+            'memo' => $request->input('memo'),
+        ]);
+
+        return response()->json([
+            'success' => true,
+            'message' => '휴일이 등록되었습니다.',
+            'data' => ['id' => $holiday->id],
+        ]);
+    }
+
+    public function update(Request $request, int $id): JsonResponse
+    {
+        $tenantId = session('selected_tenant_id', 1);
+        $holiday = Holiday::forTenant($tenantId)->findOrFail($id);
+
+        $request->validate([
+            'name' => 'required|string|max:100',
+            'startDate' => 'required|date',
+            'endDate' => 'required|date|after_or_equal:startDate',
+            'type' => 'required|in:public,company,alternative,temporary',
+            'isRecurring' => 'boolean',
+            'memo' => 'nullable|string|max:500',
+        ]);
+
+        $holiday->update([
+            'start_date' => $request->input('startDate'),
+            'end_date' => $request->input('endDate'),
+            'name' => $request->input('name'),
+            'type' => $request->input('type'),
+            'is_recurring' => $request->input('isRecurring', false),
+            'memo' => $request->input('memo'),
+        ]);
+
+        return response()->json([
+            'success' => true,
+            'message' => '휴일이 수정되었습니다.',
+        ]);
+    }
+
+    public function destroy(int $id): JsonResponse
+    {
+        $tenantId = session('selected_tenant_id', 1);
+        $holiday = Holiday::forTenant($tenantId)->findOrFail($id);
+        $holiday->delete();
+
+        return response()->json([
+            'success' => true,
+            'message' => '휴일이 삭제되었습니다.',
+        ]);
+    }
+
+    public function bulkStore(Request $request): JsonResponse
+    {
+        $request->validate([
+            'holidays' => 'required|array|min:1',
+            'holidays.*.name' => 'required|string|max:100',
+            'holidays.*.startDate' => 'required|date',
+            'holidays.*.endDate' => 'required|date|after_or_equal:holidays.*.startDate',
+            'holidays.*.type' => 'required|in:public,company,alternative,temporary',
+            'holidays.*.isRecurring' => 'boolean',
+        ]);
+
+        $tenantId = session('selected_tenant_id', 1);
+        $count = 0;
+
+        foreach ($request->input('holidays') as $item) {
+            Holiday::create([
+                'tenant_id' => $tenantId,
+                'start_date' => $item['startDate'],
+                'end_date' => $item['endDate'],
+                'name' => $item['name'],
+                'type' => $item['type'] ?? 'public',
+                'is_recurring' => $item['isRecurring'] ?? false,
+                'memo' => $item['memo'] ?? null,
+            ]);
+            $count++;
+        }
+
+        return response()->json([
+            'success' => true,
+            'message' => "{$count}건의 휴일이 등록되었습니다.",
+        ]);
+    }
+}
diff --git a/app/Models/System/Holiday.php b/app/Models/System/Holiday.php
new file mode 100644
index 00000000..d9a72252
--- /dev/null
+++ b/app/Models/System/Holiday.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Models\System;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Holiday extends Model
+{
+    use SoftDeletes;
+
+    protected $table = 'holidays';
+
+    protected $fillable = [
+        'tenant_id',
+        'start_date',
+        'end_date',
+        'name',
+        'type',
+        'is_recurring',
+        'memo',
+        'created_by',
+        'updated_by',
+    ];
+
+    protected $casts = [
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'is_recurring' => 'boolean',
+    ];
+
+    public function scopeForTenant($query, int $tenantId)
+    {
+        return $query->where('tenant_id', $tenantId);
+    }
+
+    public function scopeForYear($query, int $year)
+    {
+        return $query->whereYear('start_date', $year);
+    }
+}
diff --git a/database/seeders/HolidayMenuSeeder.php b/database/seeders/HolidayMenuSeeder.php
new file mode 100644
index 00000000..0b26fac8
--- /dev/null
+++ b/database/seeders/HolidayMenuSeeder.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\Commons\Menu;
+use Illuminate\Database\Seeder;
+
+class HolidayMenuSeeder extends Seeder
+{
+    public function run(): void
+    {
+        $tenantId = 1;
+
+        // 시스템 관리 부모 메뉴 찾기
+        $parentMenu = Menu::where('tenant_id', $tenantId)
+            ->where('name', '시스템 관리')
+            ->first();
+
+        if (!$parentMenu) {
+            $this->command->error('시스템 관리 메뉴를 찾을 수 없습니다.');
+            return;
+        }
+
+        // 이미 존재하는지 확인
+        $existingMenu = Menu::where('tenant_id', $tenantId)
+            ->where('name', '달력 휴일 관리')
+            ->where('parent_id', $parentMenu->id)
+            ->first();
+
+        if ($existingMenu) {
+            $this->command->info('달력 휴일 관리 메뉴가 이미 존재합니다.');
+            return;
+        }
+
+        // 현재 자식 메뉴 최대 sort_order 확인
+        $maxSort = Menu::where('parent_id', $parentMenu->id)
+            ->max('sort_order') ?? 0;
+
+        // 메뉴 생성
+        $menu = Menu::create([
+            'tenant_id' => $tenantId,
+            'parent_id' => $parentMenu->id,
+            'name' => '달력 휴일 관리',
+            'url' => '/system/holidays',
+            'icon' => 'calendar',
+            'sort_order' => $maxSort + 1,
+            'is_active' => true,
+        ]);
+
+        $this->command->info("메뉴 생성 완료: {$menu->name} (sort_order: {$menu->sort_order})");
+
+        // 하위 메뉴 목록 출력
+        $this->command->info('');
+        $this->command->info('=== 시스템 관리 하위 메뉴 ===');
+        $children = Menu::where('parent_id', $parentMenu->id)
+            ->orderBy('sort_order')
+            ->get(['name', 'url', 'sort_order']);
+
+        foreach ($children as $child) {
+            $this->command->info("{$child->sort_order}. {$child->name} ({$child->url})");
+        }
+    }
+}
diff --git a/resources/views/system/holidays/index.blade.php b/resources/views/system/holidays/index.blade.php
new file mode 100644
index 00000000..8d7f80dd
--- /dev/null
+++ b/resources/views/system/holidays/index.blade.php
@@ -0,0 +1,538 @@
+@extends('layouts.app')
+
+@section('title', '달력 휴일 관리')
+
+@push('styles')
+<style>
+    @media print { .no-print { display: none !important; } }
+</style>
+@endpush
+
+@section('content')
+<meta name="csrf-token" content="{{ csrf_token() }}">
+<div id="holiday-root"></div>
+@endsection
+
+@push('scripts')
+<script src="https://unpkg.com/react@18/umd/react.development.js?v={{ time() }}"></script>
+<script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js?v={{ time() }}"></script>
+<script src="https://unpkg.com/@babel/standalone/babel.min.js?v={{ time() }}"></script>
+<script src="https://unpkg.com/lucide@latest?v={{ time() }}"></script>
+@verbatim
+<script type="text/babel">
+const { useState, useRef, useEffect, useMemo } = React;
+
+const createIcon = (name) => ({ className = "w-5 h-5", ...props }) => {
+    const ref = useRef(null);
+    useEffect(() => {
+        if (ref.current && lucide.icons[name]) {
+            ref.current.innerHTML = '';
+            const svg = lucide.createElement(lucide.icons[name]);
+            svg.setAttribute('class', className);
+            ref.current.appendChild(svg);
+        }
+    }, [className]);
+    return <span ref={ref} className="inline-flex items-center" {...props} />;
+};
+
+const CalendarIcon = createIcon('calendar');
+const Plus = createIcon('plus');
+const X = createIcon('x');
+const Edit = createIcon('edit');
+const Trash2 = createIcon('trash-2');
+const ChevronLeft = createIcon('chevron-left');
+const ChevronRight = createIcon('chevron-right');
+const Upload = createIcon('upload');
+const ListIcon = createIcon('list');
+const LayoutGrid = createIcon('layout-grid');
+
+const HOLIDAY_TYPES = {
+    public: { label: '공휴일', color: 'bg-red-100 text-red-700', dot: 'bg-red-500' },
+    company: { label: '회사지정', color: 'bg-blue-100 text-blue-700', dot: 'bg-blue-500' },
+    alternative: { label: '대체휴일', color: 'bg-amber-100 text-amber-700', dot: 'bg-amber-500' },
+    temporary: { label: '임시휴일', color: 'bg-purple-100 text-purple-700', dot: 'bg-purple-500' },
+};
+
+const MONTHS = ['1월','2월','3월','4월','5월','6월','7월','8월','9월','10월','11월','12월'];
+const WEEKDAYS = ['일','월','화','수','목','금','토'];
+
+function HolidayManagement() {
+    const [holidays, setHolidays] = useState([]);
+    const [loading, setLoading] = useState(true);
+    const [saving, setSaving] = useState(false);
+    const [selectedYear, setSelectedYear] = useState(new Date().getFullYear());
+    const [viewMode, setViewMode] = useState('calendar');
+
+    const [showModal, setShowModal] = useState(false);
+    const [modalMode, setModalMode] = useState('add');
+    const [editingItem, setEditingItem] = useState(null);
+
+    const [showBulkModal, setShowBulkModal] = useState(false);
+    const [bulkText, setBulkText] = useState('');
+
+    const csrfToken = document.querySelector('meta[name="csrf-token"]')?.getAttribute('content');
+
+    const initialFormState = {
+        name: '',
+        startDate: '',
+        endDate: '',
+        type: 'public',
+        isRecurring: false,
+        memo: '',
+    };
+    const [formData, setFormData] = useState(initialFormState);
+
+    const formatCurrency = (num) => num ? num.toLocaleString() : '0';
+
+    const fetchHolidays = async (year) => {
+        setLoading(true);
+        try {
+            const res = await fetch(`/system/holidays/list?year=${year || selectedYear}`);
+            const data = await res.json();
+            if (data.success) setHolidays(data.data);
+        } catch (err) {
+            console.error('휴일 조회 실패:', err);
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    useEffect(() => { fetchHolidays(selectedYear); }, [selectedYear]);
+
+    // 달력에 휴일 매핑
+    const holidayMap = useMemo(() => {
+        const map = {};
+        holidays.forEach(h => {
+            const start = new Date(h.startDate);
+            const end = new Date(h.endDate);
+            for (let d = new Date(start); d <= end; d.setDate(d.getDate() + 1)) {
+                const key = d.toISOString().split('T')[0];
+                if (!map[key]) map[key] = [];
+                map[key].push(h);
+            }
+        });
+        return map;
+    }, [holidays]);
+
+    const handleAdd = (dateStr) => {
+        setModalMode('add');
+        setEditingItem(null);
+        setFormData({ ...initialFormState, startDate: dateStr || '', endDate: dateStr || '' });
+        setShowModal(true);
+    };
+
+    const handleEdit = (item) => {
+        setModalMode('edit');
+        setEditingItem(item);
+        setFormData({
+            name: item.name,
+            startDate: item.startDate,
+            endDate: item.endDate,
+            type: item.type,
+            isRecurring: item.isRecurring,
+            memo: item.memo || '',
+        });
+        setShowModal(true);
+    };
+
+    const handleSave = async () => {
+        if (!formData.name || !formData.startDate || !formData.endDate) {
+            alert('휴일명, 시작일, 종료일을 입력해주세요.');
+            return;
+        }
+        setSaving(true);
+        try {
+            const url = modalMode === 'add' ? '/system/holidays' : `/system/holidays/${editingItem.id}`;
+            const res = await fetch(url, {
+                method: modalMode === 'add' ? 'POST' : 'PUT',
+                headers: { 'Content-Type': 'application/json', 'X-CSRF-TOKEN': csrfToken },
+                body: JSON.stringify(formData),
+            });
+            const data = await res.json();
+            if (!res.ok) {
+                const errors = data.errors ? Object.values(data.errors).flat().join('\n') : data.message;
+                alert(errors || '저장에 실패했습니다.');
+                return;
+            }
+            setShowModal(false);
+            fetchHolidays(selectedYear);
+        } catch (err) {
+            console.error('저장 실패:', err);
+            alert('저장에 실패했습니다.');
+        } finally {
+            setSaving(false);
+        }
+    };
+
+    const handleDelete = async (id) => {
+        if (!confirm('정말 삭제하시겠습니까?')) return;
+        try {
+            const res = await fetch(`/system/holidays/${id}`, {
+                method: 'DELETE',
+                headers: { 'X-CSRF-TOKEN': csrfToken },
+            });
+            if (res.ok) {
+                setShowModal(false);
+                fetchHolidays(selectedYear);
+            }
+        } catch (err) {
+            console.error('삭제 실패:', err);
+        }
+    };
+
+    // 대량 등록 파싱
+    const parseBulkText = (text) => {
+        const lines = text.trim().split('\n').filter(l => l.trim());
+        const results = [];
+        for (const line of lines) {
+            // 형식: YYYY-MM-DD 또는 YYYY-MM-DD~YYYY-MM-DD 휴일명 [유형]
+            const match = line.match(/^(\d{4}-\d{2}-\d{2})(?:\s*~\s*(\d{4}-\d{2}-\d{2}))?\s+(.+?)(?:\s+\[(공휴일|회사지정|대체휴일|임시휴일)\])?\s*$/);
+            if (match) {
+                const typeMap = { '공휴일': 'public', '회사지정': 'company', '대체휴일': 'alternative', '임시휴일': 'temporary' };
+                results.push({
+                    startDate: match[1],
+                    endDate: match[2] || match[1],
+                    name: match[3].trim(),
+                    type: typeMap[match[4]] || 'public',
+                    isRecurring: false,
+                });
+            }
+        }
+        return results;
+    };
+
+    const handleBulkSave = async () => {
+        const parsed = parseBulkText(bulkText);
+        if (parsed.length === 0) {
+            alert('유효한 데이터가 없습니다.\n형식: YYYY-MM-DD 휴일명\n또는: YYYY-MM-DD~YYYY-MM-DD 휴일명 [유형]');
+            return;
+        }
+        setSaving(true);
+        try {
+            const res = await fetch('/system/holidays/bulk', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json', 'X-CSRF-TOKEN': csrfToken },
+                body: JSON.stringify({ holidays: parsed }),
+            });
+            const data = await res.json();
+            if (!res.ok) {
+                alert(data.message || '등록에 실패했습니다.');
+                return;
+            }
+            alert(data.message);
+            setShowBulkModal(false);
+            setBulkText('');
+            fetchHolidays(selectedYear);
+        } catch (err) {
+            console.error('대량 등록 실패:', err);
+            alert('대량 등록에 실패했습니다.');
+        } finally {
+            setSaving(false);
+        }
+    };
+
+    const getDefaultBulkText = () => {
+        const y = selectedYear;
+        return `${y}-01-01 신정
+${y}-01-28~${y}-01-30 설날연휴
+${y}-03-01 삼일절
+${y}-05-05 어린이날
+${y}-05-15 부처님오신날
+${y}-06-06 현충일
+${y}-08-15 광복절
+${y}-10-03 개천절
+${y}-10-05~${y}-10-07 추석연휴
+${y}-10-09 한글날
+${y}-12-25 크리스마스`;
+    };
+
+    // 월별 달력 렌더링
+    const renderMonth = (month) => {
+        const year = selectedYear;
+        const firstDay = new Date(year, month, 1).getDay();
+        const daysInMonth = new Date(year, month + 1, 0).getDate();
+        const days = [];
+
+        for (let i = 0; i < firstDay; i++) days.push(null);
+        for (let d = 1; d <= daysInMonth; d++) days.push(d);
+
+        return (
+            <div key={month} className="bg-white rounded-xl border border-gray-200 overflow-hidden">
+                <div className="px-4 py-2 bg-gray-50 border-b border-gray-200">
+                    <h3 className="font-semibold text-gray-800 text-center">{MONTHS[month]}</h3>
+                </div>
+                <div className="p-2">
+                    <div className="grid grid-cols-7 mb-1">
+                        {WEEKDAYS.map((w, i) => (
+                            <div key={w} className={`text-center text-xs font-medium py-1 ${i === 0 ? 'text-red-500' : i === 6 ? 'text-blue-500' : 'text-gray-500'}`}>{w}</div>
+                        ))}
+                    </div>
+                    <div className="grid grid-cols-7 gap-px">
+                        {days.map((day, idx) => {
+                            if (!day) return <div key={`empty-${idx}`} className="h-9" />;
+                            const dateStr = `${year}-${String(month + 1).padStart(2, '0')}-${String(day).padStart(2, '0')}`;
+                            const dayHolidays = holidayMap[dateStr] || [];
+                            const dayOfWeek = new Date(year, month, day).getDay();
+                            const isSunday = dayOfWeek === 0;
+                            const isSaturday = dayOfWeek === 6;
+                            const isHoliday = dayHolidays.length > 0;
+                            const today = new Date();
+                            const isToday = today.getFullYear() === year && today.getMonth() === month && today.getDate() === day;
+
+                            return (
+                                <div
+                                    key={day}
+                                    onClick={() => isHoliday ? handleEdit(dayHolidays[0]) : handleAdd(dateStr)}
+                                    className={`relative h-9 flex flex-col items-center justify-center rounded cursor-pointer transition-colors
+                                        ${isToday ? 'ring-2 ring-indigo-400' : ''}
+                                        ${isHoliday ? 'bg-red-50 hover:bg-red-100' : 'hover:bg-gray-100'}
+                                    `}
+                                    title={dayHolidays.map(h => h.name).join(', ')}
+                                >
+                                    <span className={`text-sm leading-none
+                                        ${isHoliday || isSunday ? 'text-red-600 font-bold' : isSaturday ? 'text-blue-600' : 'text-gray-700'}
+                                    `}>{day}</span>
+                                    {isHoliday && (
+                                        <div className="flex gap-0.5 mt-0.5">
+                                            {dayHolidays.slice(0, 2).map((h, i) => (
+                                                <span key={i} className={`w-1 h-1 rounded-full ${HOLIDAY_TYPES[h.type]?.dot || 'bg-red-500'}`} />
+                                            ))}
+                                        </div>
+                                    )}
+                                </div>
+                            );
+                        })}
+                    </div>
+                </div>
+            </div>
+        );
+    };
+
+    // 리스트 뷰
+    const renderListView = () => (
+        <div className="bg-white rounded-xl border border-gray-200 overflow-hidden">
+            <table className="w-full">
+                <thead className="bg-gray-50 border-b border-gray-200">
+                    <tr>
+                        <th className="px-6 py-3 text-left text-xs font-semibold text-gray-600">유형</th>
+                        <th className="px-6 py-3 text-left text-xs font-semibold text-gray-600">휴일명</th>
+                        <th className="px-6 py-3 text-left text-xs font-semibold text-gray-600">시작일</th>
+                        <th className="px-6 py-3 text-left text-xs font-semibold text-gray-600">종료일</th>
+                        <th className="px-6 py-3 text-center text-xs font-semibold text-gray-600">일수</th>
+                        <th className="px-6 py-3 text-center text-xs font-semibold text-gray-600">반복</th>
+                        <th className="px-6 py-3 text-left text-xs font-semibold text-gray-600">메모</th>
+                        <th className="px-6 py-3 text-center text-xs font-semibold text-gray-600">관리</th>
+                    </tr>
+                </thead>
+                <tbody className="divide-y divide-gray-100">
+                    {loading ? (
+                        <tr><td colSpan="8" className="px-6 py-12 text-center text-gray-400">
+                            <div className="flex items-center justify-center gap-2">
+                                <svg className="animate-spin h-5 w-5 text-gray-400" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24"><circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle><path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path></svg>
+                                불러오는 중...
+                            </div>
+                        </td></tr>
+                    ) : holidays.length === 0 ? (
+                        <tr><td colSpan="8" className="px-6 py-12 text-center text-gray-400">등록된 휴일이 없습니다.</td></tr>
+                    ) : holidays.map(item => {
+                        const typeInfo = HOLIDAY_TYPES[item.type] || HOLIDAY_TYPES.public;
+                        return (
+                            <tr key={item.id} className="hover:bg-gray-50">
+                                <td className="px-6 py-3"><span className={`px-2 py-1 rounded text-xs font-medium ${typeInfo.color}`}>{typeInfo.label}</span></td>
+                                <td className="px-6 py-3 text-sm font-medium text-gray-900">{item.name}</td>
+                                <td className="px-6 py-3 text-sm text-gray-600">{item.startDate}</td>
+                                <td className="px-6 py-3 text-sm text-gray-600">{item.endDate}</td>
+                                <td className="px-6 py-3 text-sm text-center text-gray-600">{item.days}일</td>
+                                <td className="px-6 py-3 text-center">
+                                    {item.isRecurring && <span className="px-2 py-0.5 bg-green-100 text-green-700 text-xs rounded-full">매년</span>}
+                                </td>
+                                <td className="px-6 py-3 text-sm text-gray-500">{item.memo || '-'}</td>
+                                <td className="px-6 py-3 text-center">
+                                    <div className="flex items-center justify-center gap-1">
+                                        <button onClick={() => handleEdit(item)} className="p-1.5 text-gray-500 hover:text-blue-600 hover:bg-blue-50 rounded-lg"><Edit className="w-4 h-4" /></button>
+                                        <button onClick={() => handleDelete(item.id)} className="p-1.5 text-gray-500 hover:text-red-600 hover:bg-red-50 rounded-lg"><Trash2 className="w-4 h-4" /></button>
+                                    </div>
+                                </td>
+                            </tr>
+                        );
+                    })}
+                </tbody>
+            </table>
+        </div>
+    );
+
+    // 통계
+    const totalHolidays = holidays.length;
+    const totalDays = holidays.reduce((sum, h) => sum + h.days, 0);
+    const byType = {};
+    holidays.forEach(h => { byType[h.type] = (byType[h.type] || 0) + 1; });
+
+    return (
+        <div className="bg-gray-50 min-h-screen">
+            <header className="bg-white border-b border-gray-200 rounded-t-xl mb-6">
+                <div className="px-6 py-4 flex items-center justify-between">
+                    <div className="flex items-center gap-4">
+                        <div className="p-2 bg-red-100 rounded-xl"><CalendarIcon className="w-6 h-6 text-red-600" /></div>
+                        <div><h1 className="text-xl font-bold text-gray-900">달력 휴일 관리</h1><p className="text-sm text-gray-500">Calendar Holiday Management</p></div>
+                    </div>
+                    <div className="flex items-center gap-3">
+                        <div className="flex items-center bg-gray-100 rounded-lg p-0.5">
+                            <button onClick={() => setViewMode('calendar')} className={`px-3 py-1.5 rounded-md text-sm font-medium transition-colors ${viewMode === 'calendar' ? 'bg-white text-gray-900 shadow-sm' : 'text-gray-500 hover:text-gray-700'}`}>
+                                <span className="flex items-center gap-1.5"><LayoutGrid className="w-4 h-4" />달력</span>
+                            </button>
+                            <button onClick={() => setViewMode('list')} className={`px-3 py-1.5 rounded-md text-sm font-medium transition-colors ${viewMode === 'list' ? 'bg-white text-gray-900 shadow-sm' : 'text-gray-500 hover:text-gray-700'}`}>
+                                <span className="flex items-center gap-1.5"><ListIcon className="w-4 h-4" />목록</span>
+                            </button>
+                        </div>
+                        <button onClick={() => { setBulkText(getDefaultBulkText()); setShowBulkModal(true); }} className="flex items-center gap-2 px-4 py-2 text-gray-700 hover:bg-gray-100 rounded-lg border border-gray-300">
+                            <Upload className="w-4 h-4" /><span className="text-sm">대량 등록</span>
+                        </button>
+                        <button onClick={() => handleAdd('')} className="flex items-center gap-2 px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg">
+                            <Plus className="w-4 h-4" /><span className="text-sm font-medium">휴일 등록</span>
+                        </button>
+                    </div>
+                </div>
+            </header>
+
+            {/* 연도 선택 + 통계 */}
+            <div className="bg-white rounded-xl border border-gray-200 p-6 mb-6">
+                <div className="flex flex-wrap items-center gap-6">
+                    <div className="flex items-center gap-2">
+                        <button onClick={() => setSelectedYear(y => y - 1)} className="p-2 hover:bg-gray-100 rounded-lg"><ChevronLeft className="w-5 h-5 text-gray-600" /></button>
+                        <span className="text-2xl font-bold text-gray-900 min-w-[80px] text-center">{selectedYear}년</span>
+                        <button onClick={() => setSelectedYear(y => y + 1)} className="p-2 hover:bg-gray-100 rounded-lg"><ChevronRight className="w-5 h-5 text-gray-600" /></button>
+                    </div>
+                    <div className="flex-1 flex flex-wrap items-center gap-4">
+                        <div className="bg-gray-50 rounded-lg px-4 py-2">
+                            <span className="text-sm text-gray-500">등록 건수</span>
+                            <span className="ml-2 text-lg font-bold text-gray-900">{totalHolidays}건</span>
+                        </div>
+                        <div className="bg-red-50 rounded-lg px-4 py-2">
+                            <span className="text-sm text-red-600">총 휴일 일수</span>
+                            <span className="ml-2 text-lg font-bold text-red-600">{totalDays}일</span>
+                        </div>
+                        {Object.entries(byType).map(([type, count]) => {
+                            const info = HOLIDAY_TYPES[type] || HOLIDAY_TYPES.public;
+                            return (
+                                <div key={type} className="flex items-center gap-1.5">
+                                    <span className={`w-2.5 h-2.5 rounded-full ${info.dot}`} />
+                                    <span className="text-sm text-gray-600">{info.label} {count}건</span>
+                                </div>
+                            );
+                        })}
+                    </div>
+                </div>
+            </div>
+
+            {/* 달력/리스트 뷰 */}
+            {viewMode === 'calendar' ? (
+                <div className="grid grid-cols-1 md:grid-cols-3 lg:grid-cols-4 gap-4 mb-6">
+                    {Array.from({ length: 12 }, (_, i) => renderMonth(i))}
+                </div>
+            ) : renderListView()}
+
+            {/* 등록/수정 모달 */}
+            {showModal && (
+                <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50">
+                    <div className="bg-white rounded-xl p-6 w-full max-w-lg mx-4 max-h-[90vh] overflow-y-auto">
+                        <div className="flex items-center justify-between mb-6">
+                            <h3 className="text-lg font-bold text-gray-900">{modalMode === 'add' ? '휴일 등록' : '휴일 수정'}</h3>
+                            <button onClick={() => setShowModal(false)} className="p-1 hover:bg-gray-100 rounded-lg"><X className="w-5 h-5 text-gray-500" /></button>
+                        </div>
+                        <div className="space-y-4">
+                            <div>
+                                <label className="block text-sm font-medium text-gray-700 mb-1">휴일명 *</label>
+                                <input type="text" value={formData.name} onChange={(e) => setFormData(prev => ({ ...prev, name: e.target.value }))} placeholder="예: 설날, 추석연휴" className="w-full px-3 py-2 border border-gray-300 rounded-lg" />
+                            </div>
+                            <div className="grid grid-cols-2 gap-4">
+                                <div>
+                                    <label className="block text-sm font-medium text-gray-700 mb-1">시작일 *</label>
+                                    <input type="date" value={formData.startDate} onChange={(e) => {
+                                        const v = e.target.value;
+                                        setFormData(prev => ({ ...prev, startDate: v, endDate: prev.endDate < v ? v : prev.endDate }));
+                                    }} className="w-full px-3 py-2 border border-gray-300 rounded-lg" />
+                                </div>
+                                <div>
+                                    <label className="block text-sm font-medium text-gray-700 mb-1">종료일 * <span className="text-xs text-gray-400">(연휴는 기간 지정)</span></label>
+                                    <input type="date" value={formData.endDate} min={formData.startDate} onChange={(e) => setFormData(prev => ({ ...prev, endDate: e.target.value }))} className="w-full px-3 py-2 border border-gray-300 rounded-lg" />
+                                </div>
+                            </div>
+                            {formData.startDate && formData.endDate && formData.startDate !== formData.endDate && (
+                                <div className="bg-blue-50 rounded-lg px-3 py-2 text-sm text-blue-700">
+                                    {Math.floor((new Date(formData.endDate) - new Date(formData.startDate)) / 86400000) + 1}일간의 연휴로 등록됩니다.
+                                </div>
+                            )}
+                            <div className="grid grid-cols-2 gap-4">
+                                <div>
+                                    <label className="block text-sm font-medium text-gray-700 mb-1">유형</label>
+                                    <select value={formData.type} onChange={(e) => setFormData(prev => ({ ...prev, type: e.target.value }))} className="w-full px-3 py-2 border border-gray-300 rounded-lg">
+                                        {Object.entries(HOLIDAY_TYPES).map(([key, info]) => (
+                                            <option key={key} value={key}>{info.label}</option>
+                                        ))}
+                                    </select>
+                                </div>
+                                <div className="flex items-end pb-1">
+                                    <label className="flex items-center gap-2 cursor-pointer">
+                                        <input type="checkbox" checked={formData.isRecurring} onChange={(e) => setFormData(prev => ({ ...prev, isRecurring: e.target.checked }))} className="w-4 h-4 text-blue-600 rounded border-gray-300" />
+                                        <span className="text-sm text-gray-700">매년 반복</span>
+                                    </label>
+                                </div>
+                            </div>
+                            <div>
+                                <label className="block text-sm font-medium text-gray-700 mb-1">메모</label>
+                                <input type="text" value={formData.memo} onChange={(e) => setFormData(prev => ({ ...prev, memo: e.target.value }))} placeholder="메모" className="w-full px-3 py-2 border border-gray-300 rounded-lg" />
+                            </div>
+                        </div>
+                        <div className="flex gap-3 mt-6">
+                            {modalMode === 'edit' && <button onClick={() => handleDelete(editingItem.id)} className="px-4 py-2 bg-red-600 hover:bg-red-700 text-white rounded-lg">삭제</button>}
+                            <button onClick={() => setShowModal(false)} className="flex-1 px-4 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50">취소</button>
+                            <button onClick={handleSave} disabled={saving} className="flex-1 px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg disabled:opacity-50">{saving ? '저장 중...' : (modalMode === 'add' ? '등록' : '저장')}</button>
+                        </div>
+                    </div>
+                </div>
+            )}
+
+            {/* 대량 등록 모달 */}
+            {showBulkModal && (
+                <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50">
+                    <div className="bg-white rounded-xl p-6 w-full max-w-2xl mx-4 max-h-[90vh] overflow-y-auto">
+                        <div className="flex items-center justify-between mb-6">
+                            <h3 className="text-lg font-bold text-gray-900">대량 등록</h3>
+                            <button onClick={() => setShowBulkModal(false)} className="p-1 hover:bg-gray-100 rounded-lg"><X className="w-5 h-5 text-gray-500" /></button>
+                        </div>
+                        <div className="space-y-4">
+                            <div className="bg-gray-50 rounded-lg p-4 text-sm text-gray-600 space-y-1">
+                                <p className="font-medium text-gray-800">입력 형식:</p>
+                                <p><code className="bg-gray-200 px-1.5 py-0.5 rounded text-xs">YYYY-MM-DD 휴일명</code> - 단일 일자</p>
+                                <p><code className="bg-gray-200 px-1.5 py-0.5 rounded text-xs">YYYY-MM-DD~YYYY-MM-DD 휴일명</code> - 기간 (연휴)</p>
+                                <p><code className="bg-gray-200 px-1.5 py-0.5 rounded text-xs">YYYY-MM-DD 휴일명 [유형]</code> - 유형 지정 (공휴일/회사지정/대체휴일/임시휴일)</p>
+                            </div>
+                            <textarea
+                                value={bulkText}
+                                onChange={(e) => setBulkText(e.target.value)}
+                                rows={14}
+                                className="w-full px-3 py-2 border border-gray-300 rounded-lg font-mono text-sm"
+                                placeholder="2026-01-01 신정&#10;2026-01-28~2026-01-30 설날연휴&#10;2026-03-01 삼일절"
+                            />
+                            <div className="text-sm text-gray-500">
+                                파싱 결과: <span className="font-medium text-gray-900">{parseBulkText(bulkText).length}건</span> 인식됨
+                            </div>
+                        </div>
+                        <div className="flex gap-3 mt-6">
+                            <button onClick={() => setShowBulkModal(false)} className="flex-1 px-4 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50">취소</button>
+                            <button onClick={handleBulkSave} disabled={saving || parseBulkText(bulkText).length === 0} className="flex-1 px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg disabled:opacity-50">
+                                {saving ? '등록 중...' : `${parseBulkText(bulkText).length}건 등록`}
+                            </button>
+                        </div>
+                    </div>
+                </div>
+            )}
+        </div>
+    );
+}
+
+const rootElement = document.getElementById('holiday-root');
+if (rootElement) { ReactDOM.createRoot(rootElement).render(<HolidayManagement />); }
+</script>
+@endverbatim
+@endpush
diff --git a/routes/web.php b/routes/web.php
index a3812a9e..de79167b 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -34,6 +34,7 @@
 use App\Http\Controllers\RolePermissionController;
 use App\Http\Controllers\Sales\SalesProductController;
 use App\Http\Controllers\System\AiConfigController;
+use App\Http\Controllers\System\HolidayController;
 use App\Http\Controllers\Stats\StatDashboardController;
 use App\Http\Controllers\System\SystemAlertController;
 use App\Http\Controllers\TenantController;
@@ -392,6 +393,16 @@
         Route::post('/test-gcs', [AiConfigController::class, 'testGcs'])->name('test-gcs');
     });
 
+    // 달력 휴일 관리
+    Route::prefix('system/holidays')->name('system.holidays.')->group(function () {
+        Route::get('/', [HolidayController::class, 'index'])->name('index');
+        Route::get('/list', [HolidayController::class, 'list'])->name('list');
+        Route::post('/', [HolidayController::class, 'store'])->name('store');
+        Route::put('/{id}', [HolidayController::class, 'update'])->name('update');
+        Route::delete('/{id}', [HolidayController::class, 'destroy'])->name('destroy');
+        Route::post('/bulk', [HolidayController::class, 'bulkStore'])->name('bulk');
+    });
+
     // 명함 OCR API
     Route::post('/api/business-card-ocr', [BusinessCardOcrController::class, 'process'])->name('api.business-card-ocr');