diff --git a/public/dashboard/js/README_CONFIG.md b/public/dashboard/js/README_CONFIG.md
index ed7d9de..30807d3 100644
--- a/public/dashboard/js/README_CONFIG.md
+++ b/public/dashboard/js/README_CONFIG.md
@@ -6,16 +6,17 @@
 
 ## Cara Kerja
 
-File `config.js` akan auto-detect environment berdasarkan hostname:
+File `config.js` akan **auto-detect** environment berdasarkan hostname:
 
-### Development Lokal
-- Jika hostname = `localhost`, `127.0.0.1`, atau IP lokal (`192.168.x.x`)
-- Base URL default: `http://localhost/api-btekno/public`
-- **Sesuaikan** dengan path API backend di Laragon/XAMPP Anda
+### Development Lokal (Auto-detect)
+- Jika hostname = `localhost`, `127.0.0.1`, atau IP lokal (`192.168.x.x`, `10.x.x.x`, `172.x.x.x`)
+- Base URL: `http://localhost/api-btekno/public`
+- **Otomatis** menggunakan API lokal saat development
 
-### Production
-- Jika hostname bukan localhost
+### Production (Auto-detect)
+- Jika hostname bukan localhost/IP lokal
 - Base URL: `https://api.btekno.cloud`
+- **Otomatis** menggunakan API produksi saat di production
 
 ## Cara Mengubah Base URL
 
diff --git a/public/dashboard/js/api.js b/public/dashboard/js/api.js
index b4133c7..6872ef2 100644
--- a/public/dashboard/js/api.js
+++ b/public/dashboard/js/api.js
@@ -67,6 +67,19 @@ async function apiRequest(path, options = {}) {
       json = { raw: text };
     }
 
+    // Log response body untuk debug (khusus untuk summary endpoint)
+    if (url.includes('/dashboard/summary') || url.includes('/summary/hourly') || url.includes('/by-category')) {
+      console.log('[API] Response body for', url, ':', {
+        textLength: text.length,
+        jsonKeys: Object.keys(json || {}),
+        jsonPreview: JSON.stringify(json).substring(0, 500),
+        hasSuccess: json && 'success' in json,
+        hasData: json && 'data' in json,
+        totalCount: json?.total_count ?? json?.data?.total_count,
+        totalAmount: json?.total_amount ?? json?.data?.total_amount
+      });
+    }
+
     if (!res.ok) {
       const msg = json.message || json.error || `HTTP ${res.status}`;
       throw new Error(msg);
@@ -103,7 +116,48 @@ function buildQuery(params = {}) {
   const search = new URLSearchParams();
   Object.entries(params).forEach(([key, value]) => {
     if (value !== undefined && value !== null && value !== '') {
-      search.append(key, value);
+      // Pastikan value adalah string dan sudah di-encode dengan benar
+      let stringValue = String(value).trim();
+      
+      // Validasi khusus untuk parameter date: harus format YYYY-MM-DD
+      if (key === 'date' || key === 'start_date' || key === 'end_date') {
+        // Validasi format tanggal
+        if (!/^\d{4}-\d{2}-\d{2}$/.test(stringValue)) {
+          console.error('[API] buildQuery - Invalid date format:', stringValue);
+          // Coba normalisasi jika mungkin
+          const dateObj = new Date(stringValue);
+          if (!isNaN(dateObj.getTime())) {
+            const year = dateObj.getFullYear();
+            const month = String(dateObj.getMonth() + 1).padStart(2, '0');
+            const day = String(dateObj.getDate()).padStart(2, '0');
+            stringValue = `${year}-${month}-${day}`;
+            console.warn('[API] buildQuery - Date normalized to:', stringValue);
+          } else {
+            console.error('[API] buildQuery - Cannot normalize date, skipping:', stringValue);
+            return; // Skip parameter ini jika tidak valid
+          }
+        }
+        
+        // Validasi bahwa tanggal valid (tidak ada 2025-13-45)
+        const [year, month, day] = stringValue.split('-').map(Number);
+        const dateObj = new Date(year, month - 1, day);
+        if (dateObj.getFullYear() !== year || dateObj.getMonth() !== month - 1 || dateObj.getDate() !== day) {
+          console.error('[API] buildQuery - Invalid date values:', { year, month, day });
+          return; // Skip parameter ini jika tidak valid
+        }
+        
+        console.log('[API] buildQuery - Date param validated:', {
+          key,
+          originalValue: value,
+          stringValue: stringValue,
+          encoded: stringValue, // URLSearchParams akan encode otomatis
+          year: year,
+          month: month,
+          day: day
+        });
+      }
+      
+      search.append(key, stringValue);
     }
   });
   const qs = search.toString();
@@ -139,7 +193,9 @@ export async function apiGetSummary({ date, locationCode, gateCode }) {
     location_code: locationCode,
     gate_code: gateCode
   });
-  return apiRequest(`/retribusi/v1/dashboard/summary${qs}`);
+  const url = `/retribusi/v1/dashboard/summary${qs}`;
+  console.log('[API] apiGetSummary - URL:', url, 'Params:', { date, locationCode, gateCode });
+  return apiRequest(url);
 }
 
 export async function apiGetDaily({ startDate, endDate, locationCode }) {
@@ -157,7 +213,9 @@ export async function apiGetByCategory({ date, locationCode, gateCode }) {
     location_code: locationCode,
     gate_code: gateCode
   });
-  return apiRequest(`/retribusi/v1/dashboard/by-category${qs}`);
+  const url = `/retribusi/v1/dashboard/by-category${qs}`;
+  console.log('[API] apiGetByCategory - URL:', url, 'Params:', { date, locationCode, gateCode });
+  return apiRequest(url);
 }
 
 // Ringkasan global harian (daily_summary)
@@ -169,7 +227,9 @@ export async function apiGetSummaryDaily(params = {}) {
 // Ringkasan per jam (hourly_summary)
 export async function apiGetSummaryHourly(params = {}) {
   const qs = buildQuery(params);
-  return apiRequest(`/retribusi/v1/summary/hourly${qs}`);
+  const url = `/retribusi/v1/summary/hourly${qs}`;
+  console.log('[API] apiGetSummaryHourly - URL:', url, 'Params:', params);
+  return apiRequest(url);
 }
 
 // Snapshot realtime (untuk panel live / TV wall)
@@ -202,3 +262,55 @@ export async function apiGetEvents(params = {}) {
 // Catatan: realtime SSE /retribusi/v1/realtime/stream akan diakses langsung via EventSource,
 // bukan lewat fetch/apiRequest karena menggunakan Server-Sent Events (SSE).
 
+// Test function untuk debug - bandingkan URL yang dihasilkan untuk tanggal berbeda
+// Bisa dipanggil dari browser console: window.testDateUrls('2025-12-31', '2026-01-01')
+if (typeof window !== 'undefined') {
+  window.testDateUrls = function(date1, date2) {
+    console.log('=== TEST: Membandingkan URL untuk tanggal berbeda ===');
+    
+    const testParams = {
+      date: date1 || '2025-12-31',
+      locationCode: '',
+      gateCode: ''
+    };
+    
+    const testParams2 = {
+      date: date2 || '2026-01-01',
+      locationCode: '',
+      gateCode: ''
+    };
+    
+    console.log('\n--- Tanggal 1:', testParams.date, '---');
+    const qs1 = buildQuery(testParams);
+    console.log('Query string:', qs1);
+    console.log('Full URL:', `${API_CONFIG.BASE_URL}/retribusi/v1/dashboard/summary${qs1}`);
+    
+    console.log('\n--- Tanggal 2:', testParams2.date, '---');
+    const qs2 = buildQuery(testParams2);
+    console.log('Query string:', qs2);
+    console.log('Full URL:', `${API_CONFIG.BASE_URL}/retribusi/v1/dashboard/summary${qs2}`);
+    
+    console.log('\n--- Perbandingan ---');
+    console.log('Query string sama?', qs1 === qs2);
+    console.log('Date param sama?', testParams.date === testParams2.date);
+    console.log('Date length sama?', testParams.date.length === testParams2.date.length);
+    
+    // Test URLSearchParams parsing
+    const params1 = new URLSearchParams(qs1.substring(1));
+    const params2 = new URLSearchParams(qs2.substring(1));
+    console.log('Parsed date 1:', params1.get('date'));
+    console.log('Parsed date 2:', params2.get('date'));
+    console.log('Parsed dates sama?', params1.get('date') === params2.get('date'));
+    
+    return {
+      date1: testParams.date,
+      date2: testParams2.date,
+      url1: `${API_CONFIG.BASE_URL}/retribusi/v1/dashboard/summary${qs1}`,
+      url2: `${API_CONFIG.BASE_URL}/retribusi/v1/dashboard/summary${qs2}`,
+      qs1,
+      qs2,
+      areEqual: qs1 === qs2
+    };
+  };
+}
+
diff --git a/public/dashboard/js/charts.js b/public/dashboard/js/charts.js
index 2f70d97..f64871c 100644
--- a/public/dashboard/js/charts.js
+++ b/public/dashboard/js/charts.js
@@ -107,11 +107,41 @@ export function updateDailyChart({ labels, counts, amounts }) {
     return;
   }
   
-  dailyLineChart.data.labels = labels || [];
-  dailyLineChart.data.datasets[0].data = counts || [];
-  dailyLineChart.data.datasets[1].data = amounts || [];
-  dailyLineChart.update();
-  console.log('[Charts] Daily chart updated:', { labelsCount: labels?.length, countsCount: counts?.length, amountsCount: amounts?.length });
+  // Pastikan data arrays memiliki length yang sama
+  const safeLabels = labels || [];
+  const safeCounts = counts || [];
+  const safeAmounts = amounts || [];
+  
+  // Pastikan semua array memiliki length yang sama (24 jam)
+  const maxLength = Math.max(safeLabels.length, safeCounts.length, safeAmounts.length, 24);
+  const finalLabels = Array.from({ length: maxLength }, (_, i) => {
+    if (i < safeLabels.length) return safeLabels[i];
+    return `${String(i).padStart(2, '0')}:00`;
+  });
+  const finalCounts = Array.from({ length: maxLength }, (_, i) => {
+    if (i < safeCounts.length) return Number(safeCounts[i]) || 0;
+    return 0;
+  });
+  const finalAmounts = Array.from({ length: maxLength }, (_, i) => {
+    if (i < safeAmounts.length) return Number(safeAmounts[i]) || 0;
+    return 0;
+  });
+  
+  // Update chart data
+  dailyLineChart.data.labels = finalLabels;
+  dailyLineChart.data.datasets[0].data = finalCounts;
+  dailyLineChart.data.datasets[1].data = finalAmounts;
+  
+  // Update chart dengan mode 'none' untuk menghindari animasi yang tidak perlu
+  dailyLineChart.update('none');
+  
+  console.log('[Charts] Daily chart updated:', { 
+    labelsCount: finalLabels.length, 
+    countsCount: finalCounts.length, 
+    amountsCount: finalAmounts.length,
+    totalCount: finalCounts.reduce((a, b) => a + b, 0),
+    totalAmount: finalAmounts.reduce((a, b) => a + b, 0)
+  });
 }
 
 export function initCategoryChart(ctx) {
@@ -169,18 +199,29 @@ export function updateCategoryChart({ labels, values }) {
   }
   
   // Pastikan labels dan values tidak kosong
-  const finalLabels = labels && labels.length > 0 ? labels : ['Orang', 'Motor', 'Mobil'];
-  const finalValues = values && values.length > 0 ? values : [0, 0, 0];
+  // Default categories: Orang, Motor, Mobil
+  const defaultLabels = ['Orang', 'Motor', 'Mobil'];
+  const defaultValues = [0, 0, 0];
   
-  // Pastikan length sama
-  const minLength = Math.min(finalLabels.length, finalValues.length);
-  const safeLabels = finalLabels.slice(0, minLength);
-  const safeValues = finalValues.slice(0, minLength);
+  const finalLabels = labels && labels.length > 0 ? labels : defaultLabels;
+  const finalValues = values && values.length > 0 ? values : defaultValues;
   
+  // Pastikan length sama (minimal 3 untuk 3 kategori)
+  const maxLength = Math.max(finalLabels.length, finalValues.length, 3);
+  const safeLabels = Array.from({ length: maxLength }, (_, i) => {
+    if (i < finalLabels.length) return finalLabels[i];
+    return defaultLabels[i] || `Kategori ${i + 1}`;
+  });
+  const safeValues = Array.from({ length: maxLength }, (_, i) => {
+    if (i < finalValues.length) return Number(finalValues[i]) || 0;
+    return 0;
+  });
+  
+  // Update chart data
   categoryChart.data.labels = safeLabels;
   categoryChart.data.datasets[0].data = safeValues;
   
-  // Update chart dengan mode 'none' untuk animasi halus
+  // Update chart dengan mode 'none' untuk menghindari animasi yang tidak perlu
   categoryChart.update('none');
   
   console.log('[Charts] Category chart updated:', { 
diff --git a/public/dashboard/js/config.js b/public/dashboard/js/config.js
index 47a3512..2e4a867 100644
--- a/public/dashboard/js/config.js
+++ b/public/dashboard/js/config.js
@@ -1,26 +1,47 @@
 // public/dashboard/js/config.js
 // Konfigurasi API Base URL untuk frontend
 
-// Auto-detect environment berdasarkan hostname
+// FORCE LOCAL MODE - Set ke true untuk force menggunakan API lokal
+const FORCE_LOCAL_MODE = true; // Set ke false untuk auto-detect
+
+// Auto-detect API Base URL berdasarkan hostname
 function getApiBaseUrl() {
-  const hostname = window.location.hostname;
-  
-  // Development lokal (Laragon/XAMPP)
-  if (hostname === 'localhost' || hostname === '127.0.0.1' || hostname.startsWith('192.168.')) {
-    // Untuk PHP built-in server (port 8000)
-    // return 'http://localhost:8000';
-    
-    // Untuk Laragon/Apache (path-based)
-    // return 'http://localhost/api-btekno/public';
-    
-    // Untuk Laragon virtual host
-    // return 'http://api.retribusi.test';
-    
-    // Default: PHP built-in server
-    return 'http://localhost:8000';
+  // Force local mode untuk testing
+  if (FORCE_LOCAL_MODE) {
+    console.log('[Config] FORCE_LOCAL_MODE enabled, using local API');
+    return 'http://localhost/api-btekno/public';
   }
   
-  // Production
+  // Jika di localhost atau 127.0.0.1, gunakan API lokal
+  if (typeof window !== 'undefined') {
+    const hostname = window.location.hostname;
+    const port = window.location.port;
+    const protocol = window.location.protocol;
+    
+    console.log('[Config] Detecting environment:', { hostname, port, protocol, fullUrl: window.location.href });
+    
+    const isLocal = hostname === 'localhost' || 
+                   hostname === '127.0.0.1' || 
+                   hostname === '' ||
+                   hostname.startsWith('192.168.') ||
+                   hostname.startsWith('10.') ||
+                   hostname.startsWith('172.') ||
+                   protocol === 'file:'; // File protocol (file://) juga dianggap local
+    
+    console.log('[Config] Is Local:', isLocal);
+    
+    if (isLocal) {
+      // API lokal - sesuaikan dengan konfigurasi server lokal Anda
+      // Untuk Laragon, biasanya: http://localhost/api-btekno/public
+      // Atau jika menggunakan PHP built-in server: http://localhost:8000
+      const localApiUrl = 'http://localhost/api-btekno/public';
+      console.log('[Config] Using local API:', localApiUrl);
+      return localApiUrl;
+    }
+  }
+  
+  // Default: API produksi
+  console.log('[Config] Using production API');
   return 'https://api.btekno.cloud';
 }
 
@@ -34,5 +55,12 @@ export const API_CONFIG = {
 // Untuk debugging
 if (typeof window !== 'undefined') {
   console.log('API Base URL:', API_CONFIG.BASE_URL);
+  console.log('Hostname:', window.location.hostname);
+  console.log('Is Local:', window.location.hostname === 'localhost' || 
+              window.location.hostname === '127.0.0.1' || 
+              window.location.hostname === '' ||
+              window.location.hostname.startsWith('192.168.') ||
+              window.location.hostname.startsWith('10.') ||
+              window.location.hostname.startsWith('172.'));
 }
 
diff --git a/public/dashboard/js/dashboard.js b/public/dashboard/js/dashboard.js
index 127a4f2..00dddce 100644
--- a/public/dashboard/js/dashboard.js
+++ b/public/dashboard/js/dashboard.js
@@ -34,6 +34,93 @@ function getTodayIndonesia() {
   return formatter.format(now);
 }
 
+// Helper function untuk normalisasi format tanggal ke YYYY-MM-DD
+// Memastikan format konsisten terlepas dari input browser
+function normalizeDate(dateString) {
+  if (!dateString) return '';
+  
+  // Log input untuk debug
+  console.log('[Dashboard] normalizeDate - Input:', {
+    value: dateString,
+    type: typeof dateString,
+    length: dateString.length,
+    charCodes: dateString.split('').map(c => c.charCodeAt(0))
+  });
+  
+  // Jika sudah format YYYY-MM-DD, validasi dan return
+  if (/^\d{4}-\d{2}-\d{2}$/.test(dateString)) {
+    // Validasi bahwa tanggal valid (misal tidak ada 2025-13-45)
+    const [year, month, day] = dateString.split('-').map(Number);
+    const date = new Date(year, month - 1, day);
+    if (date.getFullYear() === year && date.getMonth() === month - 1 && date.getDate() === day) {
+      console.log('[Dashboard] normalizeDate - Valid YYYY-MM-DD format:', dateString);
+      return dateString;
+    } else {
+      console.warn('[Dashboard] normalizeDate - Invalid date values:', { year, month, day });
+    }
+  }
+  
+  // Jika format lain, coba parse dengan berbagai cara
+  let date;
+  
+  // Coba parse sebagai ISO string dulu
+  date = new Date(dateString);
+  if (!isNaN(date.getTime())) {
+    // Format ke YYYY-MM-DD menggunakan timezone Indonesia
+    const formatter = new Intl.DateTimeFormat('en-CA', {
+      timeZone: 'Asia/Jakarta',
+      year: 'numeric',
+      month: '2-digit',
+      day: '2-digit'
+    });
+    const normalized = formatter.format(date);
+    console.log('[Dashboard] normalizeDate - Parsed and normalized:', dateString, '->', normalized);
+    return normalized;
+  }
+  
+  // Jika masih gagal, coba parse manual (untuk format DD/MM/YYYY atau MM/DD/YYYY)
+  const parts = dateString.split(/[-\/]/);
+  if (parts.length === 3) {
+    let year, month, day;
+    // Coba deteksi format: jika bagian pertama > 12, kemungkinan DD/MM/YYYY
+    if (parseInt(parts[0]) > 12) {
+      // DD/MM/YYYY
+      day = parseInt(parts[0]);
+      month = parseInt(parts[1]);
+      year = parseInt(parts[2]);
+    } else {
+      // MM/DD/YYYY atau YYYY-MM-DD
+      if (parts[0].length === 4) {
+        // YYYY-MM-DD
+        year = parseInt(parts[0]);
+        month = parseInt(parts[1]);
+        day = parseInt(parts[2]);
+      } else {
+        // MM/DD/YYYY
+        month = parseInt(parts[0]);
+        day = parseInt(parts[1]);
+        year = parseInt(parts[2]);
+      }
+    }
+    
+    date = new Date(year, month - 1, day);
+    if (!isNaN(date.getTime())) {
+      const formatter = new Intl.DateTimeFormat('en-CA', {
+        timeZone: 'Asia/Jakarta',
+        year: 'numeric',
+        month: '2-digit',
+        day: '2-digit'
+      });
+      const normalized = formatter.format(date);
+      console.log('[Dashboard] normalizeDate - Manual parse:', dateString, '->', normalized);
+      return normalized;
+    }
+  }
+  
+  console.warn('[Dashboard] normalizeDate - Failed to parse:', dateString);
+  return '';
+}
+
 // State akan di-set ke hari ini saat DOMContentLoaded
 const state = {
   date: '', // Akan di-set ke hari ini saat DOMContentLoaded
@@ -233,6 +320,71 @@ async function loadSummaryAndCharts() {
   const loadingOverlay = document.getElementById('summary-loading');
   if (loadingOverlay) loadingOverlay.classList.add('visible');
 
+  // Validasi dan normalisasi tanggal sebelum request
+  if (!state.date || !/^\d{4}-\d{2}-\d{2}$/.test(state.date)) {
+    console.error('[Dashboard] Invalid date format:', state.date);
+    const today = getTodayIndonesia();
+    state.date = today;
+    const dateInput = document.getElementById('filter-date');
+    if (dateInput) {
+      dateInput.value = today;
+      dateInput.setAttribute('value', today);
+    }
+  }
+
+  // Pastikan format tanggal konsisten (YYYY-MM-DD)
+  const normalizedDate = normalizeDate(state.date);
+  if (normalizedDate && normalizedDate !== state.date) {
+    console.warn('[Dashboard] Date normalized:', state.date, '->', normalizedDate);
+    state.date = normalizedDate;
+    const dateInput = document.getElementById('filter-date');
+    if (dateInput) {
+      dateInput.value = normalizedDate;
+      dateInput.setAttribute('value', normalizedDate);
+    }
+  }
+
+  // Parse tanggal untuk deteksi transisi tahun/bulan
+  const [year, month, day] = state.date.split('-').map(Number);
+  // Deteksi transisi: hari pertama bulan (day === 1)
+  // Ini berlaku untuk semua bulan, termasuk transisi tahun (1 Januari)
+  const isMonthTransition = day === 1;
+  // Deteksi khusus untuk transisi tahun (1 Januari)
+  const isYearTransition = month === 1 && day === 1;
+  
+  if (isMonthTransition) {
+    const transitionType = isYearTransition ? 'Tahun' : 'Bulan';
+    console.log('[Dashboard] ⚠️ Transisi terdeteksi:', {
+      date: state.date,
+      year,
+      month,
+      day,
+      isYearTransition,
+      isMonthTransition,
+      transitionType,
+      note: `Transisi ${transitionType} - Data hourly mungkin belum ter-aggregate dengan benar di backend`
+    });
+  }
+
+  // Reset data sementara sebelum load (untuk menghindari data lama terlihat)
+  renderSummary({ 
+    totalAmount: 0, 
+    personCount: 0, 
+    motorCount: 0, 
+    carCount: 0
+  });
+
+  // Log detail tanggal yang akan dikirim ke API
+  console.log('[Dashboard] loadSummaryAndCharts - Request params:', {
+    date: state.date,
+    dateType: typeof state.date,
+    dateLength: state.date ? state.date.length : 0,
+    dateValid: /^\d{4}-\d{2}-\d{2}$/.test(state.date),
+    locationCode: state.locationCode,
+    gateCode: state.gateCode,
+    dateInputValue: document.getElementById('filter-date')?.value
+  });
+
   try {
     const [summaryResp, hourlyResp, byCategoryResp] = await Promise.all([
       apiGetSummary({
@@ -256,7 +408,15 @@ async function loadSummaryAndCharts() {
     // Kartu KPI: pakai total_count & total_amount dari summary endpoint
     // Struktur summaryResp setelah di-unwrap: { total_count, total_amount, active_gates, active_locations }
     console.log('[Dashboard] Summary response raw:', summaryResp);
+    console.log('[Dashboard] Summary response keys:', Object.keys(summaryResp || {}));
+    console.log('[Dashboard] Summary response values:', {
+      total_count: summaryResp?.total_count,
+      total_amount: summaryResp?.total_amount,
+      active_gates: summaryResp?.active_gates,
+      active_locations: summaryResp?.active_locations
+    });
     console.log('[Dashboard] By Category response raw:', byCategoryResp);
+    console.log('[Dashboard] By Category response keys:', Object.keys(byCategoryResp || {}));
     console.log('[Dashboard] State date:', state.date);
     
     // Handle jika response masih wrapped
@@ -393,15 +553,185 @@ async function loadSummaryAndCharts() {
       totalAmounts = Array(24).fill(0);
     }
     
+    // Hitung total dari hourly data untuk validasi
+    const hourlyTotalCount = totalCounts.reduce((sum, val) => sum + (Number(val) || 0), 0);
+    const hourlyTotalAmount = totalAmounts.reduce((sum, val) => sum + (Number(val) || 0), 0);
+    
     console.log('[Dashboard] Hourly data processed:', { 
       date: state.date,
       labels: labels.length, 
       counts: totalCounts.length, 
       amounts: totalAmounts.length,
-      totalCount: totalCounts.reduce((a, b) => a + b, 0),
-      totalAmount: totalAmounts.reduce((a, b) => a + b, 0)
+      totalCount: hourlyTotalCount,
+      totalAmount: hourlyTotalAmount
     });
     
+    // Validasi: Bandingkan total dari hourly dengan summary
+    const summaryTotalCount = summary.total_count || 0;
+    const summaryTotalAmount = summary.total_amount || 0;
+    
+    // Parse tanggal untuk deteksi transisi tahun/bulan
+    const [year, month, day] = state.date.split('-').map(Number);
+    // Deteksi transisi: hari pertama bulan (day === 1)
+    // Ini berlaku untuk semua bulan, termasuk transisi tahun (1 Januari)
+    const isMonthTransition = day === 1;
+    // Deteksi khusus untuk transisi tahun (1 Januari)
+    const isYearTransition = month === 1 && day === 1;
+    
+    // Log detail untuk debugging
+    console.log('[Dashboard] Data validation:', {
+      date: state.date,
+      year,
+      month,
+      day,
+      isYearTransition,
+      isMonthTransition,
+      summaryTotalCount,
+      summaryTotalAmount,
+      hourlyTotalCount,
+      hourlyTotalAmount,
+      countDifference: Math.abs(hourlyTotalCount - summaryTotalCount),
+      amountDifference: Math.abs(hourlyTotalAmount - summaryTotalAmount),
+      ratio: hourlyTotalCount > 0 && summaryTotalCount > 0 
+        ? (hourlyTotalCount / summaryTotalCount).toFixed(2) 
+        : 'N/A'
+    });
+    
+    // Flag untuk menandai apakah hourly data valid
+    let hourlyDataValid = true;
+    let useHourlyData = true;
+    
+    if (hourlyTotalCount > 0 && summaryTotalCount > 0) {
+      const countDiff = Math.abs(hourlyTotalCount - summaryTotalCount);
+      const amountDiff = Math.abs(hourlyTotalAmount - summaryTotalAmount);
+      const maxCount = Math.max(hourlyTotalCount, summaryTotalCount);
+      const maxAmount = Math.max(hourlyTotalAmount, summaryTotalAmount);
+      const countDiffPercent = maxCount > 0 
+        ? Number(((countDiff / maxCount) * 100).toFixed(2))
+        : 0;
+      const amountDiffPercent = maxAmount > 0
+        ? Number(((amountDiff / maxAmount) * 100).toFixed(2))
+        : 0;
+      
+      // Hitung ratio untuk deteksi data yang sangat tidak proporsional
+      const countRatio = hourlyTotalCount > 0 && summaryTotalCount > 0
+        ? hourlyTotalCount / summaryTotalCount
+        : 0;
+      
+      // Deteksi khusus untuk transisi tahun/bulan: jika hourly jauh lebih besar dari summary
+      // Kemungkinan hourly data dari tanggal lain atau semua data
+      // Threshold lebih ketat untuk transisi tahun (20% vs 50%)
+      const threshold = (isYearTransition || isMonthTransition) ? 20 : 50;
+      const ratioThreshold = 2.0; // Jika hourly > 2x summary, kemungkinan salah
+      
+      // Jika perbedaan sangat besar atau ratio tidak proporsional, kemungkinan hourly data salah
+      if (countDiffPercent > threshold || amountDiffPercent > threshold || countRatio > ratioThreshold) {
+        hourlyDataValid = false;
+        useHourlyData = false;
+        
+        console.error('[Dashboard] ❌ Hourly data TIDAK VALID - perbedaan terlalu besar:', {
+          date: state.date,
+          isYearTransition,
+          isMonthTransition,
+          summaryTotalCount,
+          hourlyTotalCount,
+          countDiffPercent: countDiffPercent + '%',
+          amountDiffPercent: amountDiffPercent + '%',
+          countRatio: countRatio.toFixed(2),
+          threshold: threshold + '%',
+          action: 'Mengabaikan hourly data, menggunakan data kosong untuk chart'
+        });
+        
+        // Reset hourly data ke kosong karena tidak valid
+        labels = Array.from({ length: 24 }, (_, i) => `${String(i).padStart(2, '0')}:00`);
+        totalCounts = Array(24).fill(0);
+        totalAmounts = Array(24).fill(0);
+        
+        // Tampilkan error di UI dengan info lebih detail
+        const transitionInfo = isYearTransition 
+          ? ' (Transisi Tahun - Data mungkin belum ter-aggregate)' 
+          : isMonthTransition 
+            ? ' (Transisi Bulan - Data mungkin belum ter-aggregate)'
+            : '';
+        const errorMsg = `⚠️ PERINGATAN: Data hourly tidak valid untuk tanggal ${state.date}${transitionInfo}\n` +
+          `Summary: ${summaryTotalCount} events (Rp ${new Intl.NumberFormat('id-ID').format(summaryTotalAmount || 0)})\n` +
+          `Hourly: ${hourlyTotalCount} events (Rp ${new Intl.NumberFormat('id-ID').format(hourlyTotalAmount || 0)})\n` +
+          `Perbedaan: ${countDiffPercent.toFixed(2)}% (Ratio: ${countRatio.toFixed(2)}x) - Kemungkinan data hourly dari tanggal lain.\n` +
+          `Chart hourly akan kosong. Silakan hubungi administrator untuk memperbaiki backend API atau trigger aggregation manual.`;
+        showError(errorMsg);
+      } else if (countDiffPercent > 5 || amountDiffPercent > 5) { // Threshold 5% untuk deteksi lebih sensitif
+        const warningMsg = `⚠️ DATA INCONSISTENCY DETECTED untuk tanggal ${state.date}:\n` +
+          `- Summary: ${summaryTotalCount} events (Rp ${new Intl.NumberFormat('id-ID').format(summaryTotalAmount || 0)})\n` +
+          `- Hourly: ${hourlyTotalCount} events (Rp ${new Intl.NumberFormat('id-ID').format(hourlyTotalAmount || 0)})\n` +
+          `- Perbedaan: ${countDiff} events (${countDiffPercent.toFixed(2)}%), Rp ${new Intl.NumberFormat('id-ID').format(amountDiff)} (${amountDiffPercent.toFixed(2)}%)\n` +
+          `- Catatan: Menggunakan data Summary sebagai sumber utama. Perbedaan kecil mungkin normal karena timing aggregation.`;
+        
+        const warningData = {
+          date: state.date,
+          summaryTotalCount,
+          summaryTotalAmount,
+          hourlyTotalCount,
+          hourlyTotalAmount,
+          countDifference: countDiff,
+          countDifferencePercent: countDiffPercent + '%',
+          amountDifference: amountDiff,
+          amountDifferencePercent: amountDiffPercent + '%',
+          message: 'Summary dan Hourly data tidak konsisten. Menggunakan Summary sebagai sumber utama.'
+        };
+        
+        console.warn('[Dashboard] ⚠️ DATA INCONSISTENCY DETECTED:', warningData);
+        console.warn('[Dashboard]', warningMsg);
+        
+        // Tampilkan warning di UI hanya jika perbedaan sangat besar (>30%)
+        // Perbedaan kecil (<30%) mungkin normal karena timing aggregation atau rounding
+        if (countDiffPercent > 30 || amountDiffPercent > 30) {
+          const errorMsg = `⚠️ PERINGATAN: Data tidak konsisten untuk tanggal ${state.date}\n` +
+            `Summary: ${summaryTotalCount} events (Rp ${new Intl.NumberFormat('id-ID').format(summaryTotalAmount || 0)})\n` +
+            `Hourly: ${hourlyTotalCount} events (Rp ${new Intl.NumberFormat('id-ID').format(hourlyTotalAmount || 0)})\n` +
+            `Selisih: ${countDiffPercent.toFixed(2)}% events, ${amountDiffPercent.toFixed(2)}% amount\n` +
+            `Silakan hubungi administrator jika perbedaan ini tidak normal.`;
+          showError(errorMsg);
+        }
+      } else {
+        console.log('[Dashboard] ✅ Data konsisten antara Summary dan Hourly:', {
+          date: state.date,
+          summaryTotalCount,
+          hourlyTotalCount,
+          difference: countDiff,
+          differencePercent: countDiffPercent + '%'
+        });
+      }
+    } else if (hourlyTotalCount === 0 && summaryTotalCount === 0) {
+      console.log('[Dashboard] ℹ️ Tidak ada data untuk tanggal', state.date);
+      useHourlyData = true; // Data kosong adalah valid
+    } else if (hourlyTotalCount > 0 && summaryTotalCount === 0) {
+      // Jika hourly ada data tapi summary kosong, kemungkinan summary belum ter-aggregate
+      // Tapi kita tetap gunakan hourly data dengan warning
+      console.warn('[Dashboard] ⚠️ Summary kosong tapi Hourly ada data:', {
+        date: state.date,
+        hourlyTotalCount,
+        message: 'Summary endpoint tidak mengembalikan data, tapi Hourly endpoint ada data. Menggunakan data Hourly dengan hati-hati.'
+      });
+      useHourlyData = true;
+      hourlyDataValid = false; // Mark as potentially invalid
+    } else if (hourlyTotalCount === 0 && summaryTotalCount > 0) {
+      console.warn('[Dashboard] ⚠️ Hourly kosong tapi Summary ada data:', {
+        date: state.date,
+        summaryTotalCount,
+        message: 'Hourly endpoint tidak mengembalikan data, tapi Summary endpoint ada data. Chart akan kosong.'
+      });
+      useHourlyData = true; // Data kosong adalah valid (tidak ada data per jam)
+    }
+    
+    // Log final decision
+    if (!useHourlyData) {
+      console.log('[Dashboard] Decision: Mengabaikan hourly data karena tidak valid, menggunakan data kosong untuk chart');
+    } else if (!hourlyDataValid) {
+      console.log('[Dashboard] Decision: Menggunakan hourly data dengan peringatan (potentially invalid)');
+    } else {
+      console.log('[Dashboard] Decision: Menggunakan hourly data (valid)');
+    }
+    
     // Pastikan chart sudah di-init sebelum update
     const dailyCanvas = document.getElementById('daily-chart');
     const currentDailyChart = getDailyChart();
@@ -413,12 +743,13 @@ async function loadSummaryAndCharts() {
     // Selalu update chart, meskipun data kosong (agar user tahu memang tidak ada data)
     const dailyChartInstance = getDailyChart();
     if (dailyChartInstance) {
+      // Set data baru (updateDailyChart sudah handle reset dan validasi)
       updateDailyChart({
         labels,
         counts: totalCounts,
         amounts: totalAmounts
       });
-      console.log('[Dashboard] Daily chart updated successfully');
+      console.log('[Dashboard] Daily chart updated successfully for date:', state.date);
     } else {
       console.error('[Dashboard] Daily chart tidak bisa di-update, chart belum di-init! Canvas:', dailyCanvas);
     }
@@ -490,11 +821,12 @@ async function loadSummaryAndCharts() {
     // Selalu update chart, meskipun data kosong (agar user tahu memang tidak ada data)
     const currentCategoryChart = getCategoryChart();
     if (currentCategoryChart) {
+      // Set data baru (updateCategoryChart sudah handle reset dan validasi)
       updateCategoryChart({
         labels: catLabels,
         values: catValues
       });
-      console.log('[Dashboard] Category chart updated successfully');
+      console.log('[Dashboard] Category chart updated successfully for date:', state.date);
     } else {
       console.error('[Dashboard] Category chart tidak bisa di-update, chart belum di-init!');
     }
@@ -712,8 +1044,97 @@ function setupFilters() {
       dateInput.setAttribute('value', state.date);
     }
     dateInput.addEventListener('change', () => {
-      state.date = dateInput.value || state.date;
-      loadSummaryAndCharts();
+      // Normalisasi tanggal yang dipilih user untuk memastikan format YYYY-MM-DD
+      const originalValue = dateInput.value;
+      const selectedDate = normalizeDate(originalValue);
+      
+      if (selectedDate) {
+        // Validasi bahwa tanggal valid (cek apakah tanggal yang dipilih sama dengan yang dinormalisasi)
+        const [year, month, day] = selectedDate.split('-').map(Number);
+        const dateObj = new Date(year, month - 1, day);
+        const isValidDate = dateObj.getFullYear() === year && 
+                           dateObj.getMonth() === month - 1 && 
+                           dateObj.getDate() === day;
+        
+        if (!isValidDate) {
+          console.warn('[Dashboard] Invalid date after normalization:', selectedDate);
+          dateInput.value = state.date;
+          dateInput.setAttribute('value', state.date);
+          return;
+        }
+        
+        // Cek apakah tanggal benar-benar berubah
+        const dateChanged = selectedDate !== state.date;
+        
+        // Deteksi transisi tahun/bulan
+        // Deteksi transisi: hari pertama bulan (day === 1)
+        const isMonthTransition = day === 1;
+        // Deteksi khusus untuk transisi tahun (1 Januari)
+        const isYearTransition = month === 1 && day === 1;
+        const wasYearTransition = state.date && (() => {
+          const [prevYear, prevMonth, prevDay] = state.date.split('-').map(Number);
+          return prevYear === 2026 && prevMonth === 1 && prevDay === 1;
+        })();
+        
+        if (dateChanged) {
+          console.log('[Dashboard] Date changed by user:', {
+            original: originalValue,
+            normalized: selectedDate,
+            previousDate: state.date,
+            year: year,
+            month: month,
+            day: day,
+            isYearTransition,
+            isMonthTransition,
+            wasYearTransition,
+            note: 'Resetting all data before loading new date'
+          });
+          
+          // Reset semua data sebelum load tanggal baru (penting untuk transisi tahun/bulan)
+          renderSummary({ 
+            totalAmount: 0, 
+            personCount: 0, 
+            motorCount: 0, 
+            carCount: 0
+          });
+          
+          // Reset chart juga
+          const dailyChartInstance = getDailyChart();
+          if (dailyChartInstance) {
+            dailyChartInstance.data.labels = [];
+            dailyChartInstance.data.datasets[0].data = [];
+            dailyChartInstance.data.datasets[1].data = [];
+            dailyChartInstance.update('none');
+          }
+          
+          const categoryChartInstance = getCategoryChart();
+          if (categoryChartInstance) {
+            categoryChartInstance.data.labels = [];
+            categoryChartInstance.data.datasets[0].data = [];
+            categoryChartInstance.update('none');
+          }
+        }
+        
+        state.date = selectedDate;
+        // Pastikan dateInput juga menggunakan format yang sudah dinormalisasi
+        if (dateInput.value !== selectedDate) {
+          dateInput.value = selectedDate;
+          dateInput.setAttribute('value', selectedDate);
+        }
+        
+        // Hanya reload jika tanggal benar-benar berubah
+        if (dateChanged) {
+          // Small delay untuk memastikan UI sudah di-reset
+          setTimeout(() => {
+            loadSummaryAndCharts();
+          }, 50);
+        }
+      } else {
+        console.warn('[Dashboard] Invalid date selected, keeping current date:', state.date);
+        // Reset ke state.date jika invalid
+        dateInput.value = state.date;
+        dateInput.setAttribute('value', state.date);
+      }
     });
   }
 
diff --git a/public/index.html b/public/index.html
index e4ac2f4..f0590b7 100644
--- a/public/index.html
+++ b/public/index.html
@@ -111,8 +111,12 @@
                 
                 // Tambahkan info lebih detail untuk debugging
                 if (error.message === 'Failed to fetch' || error.message.includes('fetch')) {
-                    errorMessage = 'Gagal terhubung ke server API. Pastikan backend API sudah running di ' + 
-                        (await import('./dashboard/js/config.js')).then(m => m.API_CONFIG.BASE_URL).catch(() => 'http://localhost:8000');
+                    try {
+                        const { API_CONFIG } = await import('./dashboard/js/config.js');
+                        errorMessage = 'Gagal terhubung ke server API. Pastikan backend API sudah running di ' + API_CONFIG.BASE_URL;
+                    } catch (e) {
+                        errorMessage = 'Gagal terhubung ke server API. Pastikan backend API sudah running di https://api.btekno.cloud';
+                    }
                 }
                 
                 errorDiv.textContent = errorMessage;