diff --git a/app/Http/Controllers/AttendanceController.php b/app/Http/Controllers/AttendanceController.php
index 3196a666..0cd0ce58 100755
--- a/app/Http/Controllers/AttendanceController.php
+++ b/app/Http/Controllers/AttendanceController.php
@@ -71,7 +71,9 @@ class AttendanceController extends Controller
             }
             if ($user && !empty($user->attendances)) {
                 foreach ($user->attendances as $att) {
-                    $date = $att->entered_at != null ? Jalalian::fromCarbon(Carbon::parse($att->entered_at)) : null;
+                    $date = $att->entered_at != null
+                        ? \App\Support\JalaliHelper::fromDateTime($att->entered_at)
+                        : null;
                     $att->date = $date != null ? $date->format('Y/m/d') : null;
                     if ($att->duration != null && $date != null && $now->getMonth() == $date->getMonth()) {
                         [$h, $m, $sec] = explode(':', $att->duration);
diff --git a/app/Services/LatePenaltyService.php b/app/Services/LatePenaltyService.php
index e4659974..d246b62f 100644
--- a/app/Services/LatePenaltyService.php
+++ b/app/Services/LatePenaltyService.php
@@ -127,7 +127,12 @@ class LatePenaltyService
 
     public function jalaliMonthBounds(?Carbon $date = null): array
     {
-        $j = Jalalian::fromCarbon($date ?? Carbon::now());
+        $carbon = $date ?? Carbon::now();
+        if ($carbon->year < 1000 || $carbon->year > 3000) {
+            $carbon = Carbon::now();
+        }
+
+        $j = Jalalian::fromCarbon($carbon);
         $start = (new Jalalian($j->getYear(), $j->getMonth(), 1))->toCarbon()->startOfDay();
         $endDay = $j->getMonth() <= 6 ? 31 : ($j->getMonth() <= 11 ? 30 : ($j->isLeapYear() ? 30 : 29));
         $end = (new Jalalian($j->getYear(), $j->getMonth(), $endDay))->toCarbon()->endOfDay();
diff --git a/app/Support/JalaliHelper.php b/app/Support/JalaliHelper.php
new file mode 100644
index 00000000..fd864abc
--- /dev/null
+++ b/app/Support/JalaliHelper.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Support;
+
+use Carbon\Carbon;
+use Morilog\Jalali\Jalalian;
+use Throwable;
+
+class JalaliHelper
+{
+    public static function fromDateTime($value): ?Jalalian
+    {
+        if ($value === null || $value === '' || $value === '0000-00-00' || str_starts_with((string) $value, '0000-00-00')) {
+            return null;
+        }
+
+        try {
+            $carbon = $value instanceof Carbon ? $value : Carbon::parse($value);
+            if ($carbon->year < 1000 || $carbon->year > 3000) {
+                return null;
+            }
+
+            return Jalalian::fromCarbon($carbon);
+        } catch (Throwable $e) {
+            return null;
+        }
+    }
+
+    public static function format($value, string $format = 'Y/m/d', string $fallback = '-'): string
+    {
+        $jalali = self::fromDateTime($value);
+
+        return $jalali ? $jalali->format($format) : $fallback;
+    }
+}
diff --git a/resources/views/attendance/index.blade.php b/resources/views/attendance/index.blade.php
index d5613d1c..bbea98bf 100755
--- a/resources/views/attendance/index.blade.php
+++ b/resources/views/attendance/index.blade.php
@@ -146,10 +146,13 @@ if (!empty($user->tasks)) {
                                 // بررسی وجود داده
                                 $attendances = $user->attendances ?? collect();
 
-                                // گروه‌بندی داده‌ها بر اساس نام ماه (مثلا: مهر، آبان)
-                                $groupedData = $attendances->groupBy(function($item) {
-                                    return \Morilog\Jalali\Jalalian::fromCarbon(\Carbon\Carbon::parse($item->entered_at))->format('%B');
-                                });
+                                // گروه‌بندی داده‌ها بر اساس نام ماه شمسی
+                                $groupedData = $attendances
+                                    ->filter(fn ($item) => !empty($item->entered_at))
+                                    ->groupBy(function ($item) {
+                                        $month = \App\Support\JalaliHelper::format($item->entered_at, '%B', '');
+                                        return $month !== '' ? $month : 'نامعتبر';
+                                    });
                             @endphp
 
                             <div class="container inline-flex flex-col items-center justify-center">
@@ -188,10 +191,10 @@ if (!empty($user->tasks)) {
                                                 @php
                                                     $monthLateMinutes = 0;
                                                     $monthDailyFine = 0;
-                                                    $monthKey = $records->first()?->entered_at
-                                                        ? \Carbon\Carbon::parse($records->first()->entered_at)
-                                                        : null;
-                                                    if ($monthKey) {
+                                                    $monthKey = null;
+                                                    $firstEntered = $records->first()?->entered_at;
+                                                    if ($firstEntered && \App\Support\JalaliHelper::fromDateTime($firstEntered)) {
+                                                        $monthKey = \Carbon\Carbon::parse($firstEntered);
                                                         [$mStart, $mEnd] = app(\App\Services\LatePenaltyService::class)->jalaliMonthBounds($monthKey);
                                                         $monthWeeklyFine = (int) \App\Models\LatePeriodFine::query()
                                                             ->where('user_identity', $user->user_name)
@@ -220,9 +223,9 @@ if (!empty($user->tasks)) {
 
                                                         {{-- تاریخ --}}
                                                         <td style="border-right: 1px solid #ddd; padding: 4px; background-color: {{"#e6e6e6" }};">
-                                                            {{ $item->entered_at ? \Morilog\Jalali\Jalalian::fromCarbon(\Carbon\Carbon::parse($item->entered_at))->format('m/d') : '-' }}
+                                                            {{ \App\Support\JalaliHelper::format($item->entered_at, 'm/d') }}
                                                             <span class="text-xs text-gray-500 block">
-                                        {{ $item->entered_at ? \Morilog\Jalali\Jalalian::fromCarbon(\Carbon\Carbon::parse($item->entered_at))->format('%A') : '' }}
+                                        {{ \App\Support\JalaliHelper::format($item->entered_at, '%A', '') }}
                                     </span>
                                                         </td>