fix(scheduled-tasks): show the server timezone in the schedule help text

Closes #10904

app/Livewire/Project/Shared/ScheduledTask/Add.php

@@ -39,6 +39,9 @@ class Add extends Component
 
     public int $timeout = 300;
 
+    #[Locked]
+    public string $serverTimezone = 'UTC';
+
     protected $rules = [
         'name' => 'required|string',
         'command' => 'required|string',
@@ -74,6 +77,8 @@ class Add extends Component
                 throw new \Exception('Invalid resource type');
         }
 
+        $this->serverTimezone = getServerTimezone($this->resource->destination?->server);
+
         if ($this->containerNames->count() > 0) {
             $this->container = $this->containerNames->first();
         }

app/Livewire/Project/Shared/ScheduledTask/Show.php

@@ -45,12 +45,16 @@ class Show extends Component
     #[Validate(['integer', 'required', 'min:60', 'max:36000'])]
     public $timeout = 300;
 
+    #[Locked]
+    public string $serverTimezone = 'UTC';
+
     public function mount(Application|Service $resource, ScheduledTask $task): void
     {
         $this->resource = $resource;
         $this->type = $resource->type();
         $this->parameters = get_route_parameters();
         $this->task = $resource->scheduled_tasks()->whereKey($task->id)->firstOrFail();
+        $this->serverTimezone = getServerTimezone($this->task->server());
         $this->syncData();
     }
 

resources/views/livewire/project/shared/scheduled-task/add.blade.php

@@ -2,7 +2,7 @@
     <div class="grid gap-4 sm:grid-cols-2">
         <x-forms.input placeholder="Database cleanup" id="name" label="Name" />
         <x-forms.input placeholder="0 0 * * * or daily"
-            helper="Use every_minute, hourly, daily, weekly, monthly, yearly, or a cron expression."
+            helper="Use every_minute, hourly, daily, weekly, monthly, yearly, or a cron expression. Runs in the server timezone ({{ $serverTimezone }}). Change it in the server settings."
             id="frequency" label="Schedule" />
     </div>
 

resources/views/livewire/project/shared/scheduled-task/show.blade.php

@@ -36,7 +36,7 @@
                     label="Name" required />
                 <x-forms.input canGate="update" :canResource="$resource" :disabled="!auth()->user()->can('update', $resource)"
                     placeholder="0 0 * * * or daily" id="frequency" label="Schedule"
-                    helper="Use every_minute, hourly, daily, weekly, monthly, yearly, or a cron expression."
+                    helper="Use every_minute, hourly, daily, weekly, monthly, yearly, or a cron expression. Runs in the server timezone ({{ $serverTimezone }}). Change it in the server settings."
                     required />
                 <x-forms.input canGate="update" :canResource="$resource" :disabled="!auth()->user()->can('update', $resource)" type="number"
                     placeholder="300" id="timeout" helper="Maximum execution time from 60 to 36,000 seconds."

tests/Feature/ScheduledJobManagerDispatchTest.php

@@ -1176,6 +1176,26 @@ it('records a midnight schedule in the server timezone, not in UTC', function ()
         ->and(ScheduledJobState::query()->where('schedule_key', 'midnight')->value('last_scheduled_for')->toDateTimeString())->toBe('2026-10-03 04:00:00');
 });
 
+it('runs a scheduled task in the server timezone, not in the instance timezone', function (string $serverTimezone, string $utcNow, bool $expectDispatch) {
+    config(['constants.coolify.self_hosted' => true]);
+    InstanceSettings::unguarded(fn () => InstanceSettings::firstOrCreate(['id' => 0]))->update(['instance_timezone' => 'Europe/Istanbul']);
+    Carbon::setTestNow(Carbon::parse($utcNow, 'UTC'));
+    Queue::fake();
+
+    $application = createScheduledTaskApplication();
+    $application->destination->server->settings()->update(['server_timezone' => $serverTimezone]);
+    createScheduledApplicationTask($application, ['frequency' => '59 23 * * *']);
+
+    (new ScheduledJobManager)->handle();
+
+    Queue::assertPushed(ScheduledTaskJob::class, $expectDispatch ? 1 : 0);
+})->with([
+    // 23:59 in Istanbul (UTC+3) is 20:59Z.
+    'UTC server at 23:59 Istanbul' => ['UTC', '2026-10-26 20:59:00', false],
+    'UTC server at 23:59 UTC' => ['UTC', '2026-10-26 23:59:00', true],
+    'Istanbul server at 23:59 Istanbul' => ['Europe/Istanbul', '2026-10-26 20:59:00', true],
+]);
+
 function createStaleEnqueuedOccurrence(string $scheduleKey, string $jobType, int $resourceId, Carbon $scheduledFor, int $minutesAgo = ScheduledJobDeliveryService::ENQUEUED_STALE_AFTER_MINUTES + 1): ScheduledJobDelivery
 {
     return ScheduledJobDelivery::create([