diff --git a/app/Models/User.php b/app/Models/User.php
index 3297431c..876399cf 100755
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -107,7 +107,10 @@ class User extends Authenticatable
 
         foreach ($data->attendances as $att) {
             if ($att->entered_at) {
-                $date = \Morilog\Jalali\Jalalian::fromCarbon(\Carbon\Carbon::parse($att->entered_at));
+                $date = \App\Support\JalaliHelper::fromDateTime($att->entered_at);
+                if (!$date) {
+                    continue;
+                }
                 $month = $date->format('%B');
 
                 if (!isset($result[$month])) {
diff --git a/app/Support/JalaliHelper.php b/app/Support/JalaliHelper.php
index aebecc2a..3df6522a 100644
--- a/app/Support/JalaliHelper.php
+++ b/app/Support/JalaliHelper.php
@@ -39,4 +39,23 @@ class JalaliHelper
 
         return $jalali ? $jalali->format($format) : $fallback;
     }
+
+    /** تاریخ میلادی امن به صورت Y-m-d */
+    public static function toGregorianDate($value, string $fallback = ''): string
+    {
+        if ($value === null || $value === '' || str_starts_with((string) $value, '0000-00-00')) {
+            return $fallback;
+        }
+
+        try {
+            $carbon = $value instanceof Carbon ? $value->copy() : Carbon::parse($value);
+            if ($carbon->year < 1000 || $carbon->year > 3000) {
+                return $fallback;
+            }
+
+            return $carbon->format('Y-m-d');
+        } catch (Throwable $e) {
+            return $fallback;
+        }
+    }
 }
diff --git a/resources/views/admin/show.blade.php b/resources/views/admin/show.blade.php
index 82cc4dc7..a1a4a299 100755
--- a/resources/views/admin/show.blade.php
+++ b/resources/views/admin/show.blade.php
@@ -307,8 +307,8 @@ foreach ($data as $employee) {
                                     <tbody>
                                     @foreach($records as $row)
                                         <tr>
-                                            <td>{{ Jalalian::fromCarbon(Carbon::parse($row->entered_at))->format('m/d') ?? '-' }}</td>
-                                            <td>{{ Jalalian::fromCarbon(Carbon::parse($row->entered_at))->format('%A') ?? '-' }}</td>
+                                            <td>{{ \App\Support\JalaliHelper::format($row->entered_at, 'm/d') }}</td>
+                                            <td>{{ \App\Support\JalaliHelper::format($row->entered_at, '%A') }}</td>
                                             <td>{{ Carbon::parse($row->entered_at)->format('H:i') ?? '-' }}</td>
                                             <td>{{ $row->exited_at ? Carbon::parse($row->exited_at)->format('H:i') : '-' }}</td>
                                             <td>{{ $row->duration ? Carbon::parse($row->duration)->format('H:i') : '-' }}</td>
diff --git a/resources/views/attendance/profile.blade.php b/resources/views/attendance/profile.blade.php
index 197b3acf..efee6deb 100755
--- a/resources/views/attendance/profile.blade.php
+++ b/resources/views/attendance/profile.blade.php
@@ -39,7 +39,7 @@
                 <label class="pb-3">تاریخ تولد:</label>
                 <div class="flex flex-col gap-1">
                     <input type="text" id="birthday_display"
-                           value="{{ $user->birthday ? \Morilog\Jalali\Jalalian::fromCarbon($user->birthday)->format('Y/m/d') : '' }}"
+                           value="{{ $user->birthday ? \App\Support\JalaliHelper::format($user->birthday) : '' }}"
                            placeholder="اختیاری — انتخاب تاریخ"
                            class="border border-gray-300 rounded-md text-center"
                            autocomplete="off" readonly>
diff --git a/resources/views/attendance/show.blade.php b/resources/views/attendance/show.blade.php
index 839d3cb3..776a1c37 100755
--- a/resources/views/attendance/show.blade.php
+++ b/resources/views/attendance/show.blade.php
@@ -52,8 +52,8 @@ foreach ($data as $month => $attendances) {
                         <tbody>
                         @foreach($records as $row)
                             <tr>
-                                <td>{{ Jalalian::fromCarbon(Carbon::parse($row->entered_at))->format('m/d') ?? '-' }}</td>
-                                <td>{{ Jalalian::fromCarbon(Carbon::parse($row->entered_at))->format('%A') ?? '-' }}</td>
+                                <td>{{ \App\Support\JalaliHelper::format($row->entered_at, 'm/d') }}</td>
+                                <td>{{ \App\Support\JalaliHelper::format($row->entered_at, '%A') }}</td>
                                 <td>{{ Carbon::parse($row->entered_at)->format('H:i') ?? '-' }}</td>
                                 <td>{{ $row->exited_at ? Carbon::parse($row->exited_at)->format('H:i') : '-' }}</td>
                                 <td>{{ $row->exited_at ? Carbon::parse($row->duration)->format('H:i') : '-' }}</td>
diff --git a/resources/views/tasks/create.blade.php b/resources/views/tasks/create.blade.php
index 6d3df76c..3fbc5a37 100755
--- a/resources/views/tasks/create.blade.php
+++ b/resources/views/tasks/create.blade.php
@@ -246,12 +246,12 @@ if (isset($task)) {
 
             // اگر مقدار اولیه از دیتابیس آمده، فیلد مخفی میلادی را هم پر کن
             @if(!empty($task?->start_date))
-                $('#start_date_gregorian').val(@json(\Carbon\Carbon::parse($task->start_date)->format('Y-m-d')));
-                $('#start_date').val(@json(\Morilog\Jalali\Jalalian::fromCarbon(\Carbon\Carbon::parse($task->start_date))->format('Y/m/d')));
+                $('#start_date_gregorian').val(@json(\App\Support\JalaliHelper::toGregorianDate($task->start_date)));
+                $('#start_date').val(@json(\App\Support\JalaliHelper::format($task->start_date, 'Y/m/d', '')));
             @endif
             @if(!empty($task?->target_date))
-                $('#target_date_gregorian').val(@json(\Carbon\Carbon::parse($task->target_date)->format('Y-m-d')));
-                $('#target_date').val(@json(\Morilog\Jalali\Jalalian::fromCarbon(\Carbon\Carbon::parse($task->target_date))->format('Y/m/d')));
+                $('#target_date_gregorian').val(@json(\App\Support\JalaliHelper::toGregorianDate($task->target_date)));
+                $('#target_date').val(@json(\App\Support\JalaliHelper::format($task->target_date, 'Y/m/d', '')));
             @endif
 
             $('form').on('submit', function (e) {
diff --git a/resources/views/tasks/tasks.blade.php b/resources/views/tasks/tasks.blade.php
index 6867f693..c593f083 100755
--- a/resources/views/tasks/tasks.blade.php
+++ b/resources/views/tasks/tasks.blade.php
@@ -584,10 +584,10 @@ $state = [
                                     <article class="task-card task-row {{ $task->active ? 'is-active' : '' }}"
                                              data-task-id="{{ $task->id }}"
                                              data-assignee-ids='@json($task->assignee_ids ?? [])'
-                                             data-start-date="{{ $task->start_date ? \Carbon\Carbon::parse($task->start_date)->format('Y-m-d') : '' }}"
-                                             data-target-date="{{ $task->target_date ? \Carbon\Carbon::parse($task->target_date)->format('Y-m-d') : '' }}"
-                                             data-finished-date="{{ $task->finished_at ? \Carbon\Carbon::parse($task->finished_at)->format('Y-m-d') : '' }}"
-                                             data-created-date="{{ $task->created_at ? \Carbon\Carbon::parse($task->created_at)->format('Y-m-d') : '' }}"
+                                             data-start-date="{{ \App\Support\JalaliHelper::toGregorianDate($task->start_date) }}"
+                                             data-target-date="{{ \App\Support\JalaliHelper::toGregorianDate($task->target_date) }}"
+                                             data-finished-date="{{ \App\Support\JalaliHelper::toGregorianDate($task->finished_at) }}"
+                                             data-created-date="{{ \App\Support\JalaliHelper::toGregorianDate($task->created_at) }}"
                                              onclick="openTaskDetailsModal({{ $task->id }})"
                                              role="button"
                                              tabindex="0"
@@ -626,7 +626,7 @@ $state = [
                                             @else
                                                 <div class="task-card-field">
                                                     <dt class="task-card-label">مهلت</dt>
-                                                    <dd class="task-card-value">{{ $task->target_date ? Jalalian::fromCarbon(Carbon::parse($task->target_date))->format('Y/m/d') : '-' }}</dd>
+                                                    <dd class="task-card-value">{{ \App\Support\JalaliHelper::format($task->target_date) }}</dd>
                                                 </div>
                                             @endif