diff --git a/app/Http/Controllers/Api/AttendanceSyncController.php b/app/Http/Controllers/Api/AttendanceSyncController.php
index 975897f38..3448bfee9 100644
--- a/app/Http/Controllers/Api/AttendanceSyncController.php
+++ b/app/Http/Controllers/Api/AttendanceSyncController.php
@@ -81,9 +81,6 @@ class AttendanceSyncController extends Controller
         ]);
     }
 
-    /**
-     * Safely parse various date formats coming from ZKTeco devices or JS agents.
-     */
     private function parseDateSafe($dateStr)
     {
         if (!$dateStr) {
@@ -94,16 +91,16 @@ class AttendanceSyncController extends Controller
         if (is_numeric($dateStr)) {
             if (strlen((string)$dateStr) > 10) {
                 // It's likely in milliseconds
-                return \Carbon\Carbon::createFromTimestampMs($dateStr);
+                return \Carbon\Carbon::createFromTimestampMs($dateStr)->setTimezone('Asia/Manila');
             }
-            return \Carbon\Carbon::createFromTimestamp($dateStr);
+            return \Carbon\Carbon::createFromTimestamp($dateStr)->setTimezone('Asia/Manila');
         }
 
         // Remove JS-specific timezone names like "(China Standard Time)" to prevent Carbon parse errors
         $cleanDateStr = trim(explode('(', $dateStr)[0]);
 
         try {
-            return \Carbon\Carbon::parse($cleanDateStr);
+            return \Carbon\Carbon::parse($cleanDateStr, 'Asia/Manila')->setTimezone('Asia/Manila');
         } catch (\Exception $e) {
             return null;
         }
diff --git a/database/migrations/2026_05_30_030000_fix_biometric_timezone_offset.php b/database/migrations/2026_05_30_030000_fix_biometric_timezone_offset.php
new file mode 100644
index 000000000..fc2a40fab
--- /dev/null
+++ b/database/migrations/2026_05_30_030000_fix_biometric_timezone_offset.php
@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+use Carbon\Carbon;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        // 1. Shift all biometric_attendances punch_time by adding 8 hours (UTC -> Asia/Manila)
+        // Only shift records that have already been imported before this fix.
+        // We can do this efficiently via raw SQL to avoid loading large datasets in PHP.
+        DB::statement("UPDATE biometric_attendances SET punch_time = DATE_ADD(punch_time, INTERVAL 8 HOUR)");
+        
+        // 2. Note: For any attendance records that were already synchronized and generated
+        // with the shifted time, the user can easily select the "Overwrite" option in the 
+        // Biometric Attendance Bulk Sync UI. This will recalculate the correct work dates, 
+        // pair the updated punches, and overwrite the attendance_records.
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // Subtract 8 hours to revert
+        DB::statement("UPDATE biometric_attendances SET punch_time = DATE_SUB(punch_time, INTERVAL 8 HOUR)");
+    }
+};