refactor: centralize display timezone config

.env.example

@@ -4,6 +4,8 @@ APP_KEY=
 APP_DEBUG=true
 APP_URL=http://localhost
 APP_DOMAIN=localhost
+APP_TIMEZONE=UTC
+DISPLAY_TIMEZONE=America/Sao_Paulo
 
 NIGHTWATCH_TOKEN=
 LOG_CHANNEL=stack

app-modules/bot-discord/src/Events/GreetingsEvent.php

@@ -27,7 +27,7 @@ public function handle(Message $message, Discord $discord): void
             return;
         }
 
-        $hour = now()->hour;
+        $hour = now()->timezone(config('app.display_timezone'))->hour;
         $payload = mb_strtolower($message->content);
 
         $response = match (true) {

app-modules/he4rt/resources/views/components/dashboard/heatmap.blade.php

@@ -152,8 +152,8 @@
     };
 
     // Now indicator
-    $nowRow = $highlightNow && $isWeek ? (int) now()->format('N') - 1 : -1;
-    $nowCol = $highlightNow && $isWeek ? (int) now()->format('G') : -1;
+    $nowRow = $highlightNow && $isWeek ? (int) now(config('app.display_timezone'))->format('N') - 1 : -1;
+    $nowCol = $highlightNow && $isWeek ? (int) now(config('app.display_timezone'))->format('G') : -1;
 
     // Auto insight
     $autoHeadline = $insightHeadline;

app-modules/he4rt/resources/views/components/schedule-card.blade.php

@@ -1,15 +1,12 @@
-@props([
-    'startsAt',
-    'endsAt',
-    'title',
-    'icon',
-    'speakers',
-])
+@props (['startsAt', 'endsAt', 'title', 'icon', 'speakers'])
 
 @php
     /** @var \Carbon\Carbon $startsAt */
     /** @var \Carbon\Carbon $endsAt */
 
+    $startsAt = $startsAt->timezone(config('app.display_timezone'));
+    $endsAt = $endsAt->timezone(config('app.display_timezone'));
+
     $config = match (true) {
         $endsAt->isPast() => [
             'color' => 'text-green-300',
@@ -51,7 +48,7 @@
 
                     @if ($speakers)
                         <span class="text-text-medium">
-                            // {{ $speakers->map(fn ($speaker) => $speaker->name)->implode(',  ') }} \\
+                            // {{ $speakers->map(fn($speaker) => $speaker->name)->implode(',  ') }} \\
                         </span>
                     @endif
                 </div>

app-modules/integration-discord/src/ETL/Console/BackfillVoiceLogsCommand.php

@@ -143,7 +143,7 @@ public function handle(
 
                     foreach ($messages as $message) {
                         $timestamp = CarbonImmutable::parse($message['timestamp']);
-                        $oldestTimestamp = $timestamp->format('Y-m-d H:i');
+                        $oldestTimestamp = $timestamp->timezone(config('app.display_timezone'))->format('Y-m-d H:i');
 
                         if ($timestamp->isBefore($since)) {
                             $reachedSince = true;
@@ -181,7 +181,7 @@ public function handle(
                             $this->alreadyExistsCount++;
                             $logger->line(sprintf(
                                 '%s <@%s> %s #%s [EXISTS]',
-                                $timestamp->format('m/d H:i'),
+                                $timestamp->timezone(config('app.display_timezone'))->format('m/d H:i'),
                                 $voiceDto->userDiscordId,
                                 $voiceDto->action,
                                 $channelName,
@@ -201,7 +201,7 @@ public function handle(
 
                             $logger->line(sprintf(
                                 '%s <@%s> %s #%s [NEW]',
-                                $timestamp->format('m/d H:i'),
+                                $timestamp->timezone(config('app.display_timezone'))->format('m/d H:i'),
                                 $voiceDto->userDiscordId,
                                 $voiceDto->action,
                                 $channelName,

app-modules/panel-admin/resources/views/moderation/appeal-queue/appeal-detail.blade.php

@@ -86,7 +86,11 @@ class="mb-4 flex items-start gap-2.5 rounded-lg border border-red-300/40 bg-red-
                     }}
                 </p>
                 <p class="mt-0.5 text-xs text-red-600/70 dark:text-red-400/60">
-                    {{ __('panel-admin::moderation.appeal_queue.detail.sla_deadline') }}: {{ $appeal->sla_deadline->format('M d, Y H:i') }}
+                    {{ __('panel-admin::moderation.appeal_queue.detail.sla_deadline') }}: {{
+                        $appeal->sla_deadline
+                            ->timezone(config('app.display_timezone'))
+                            ->format('M d, Y H:i')
+                    }}
                 </p>
             </div>
         </div>
@@ -381,7 +385,11 @@ class="mb-3 flex items-center gap-2 text-[11px] font-semibold tracking-wider tex
                             'text-zinc-700 dark:text-zinc-300' => !$isOverdue
                         ])
                     >
-                        {{ $appeal->sla_deadline?->format('M d, Y H:i') ?? '—' }}
+                        {{
+                            $appeal->sla_deadline
+                                ?->timezone(config('app.display_timezone'))
+                                ->format('M d, Y H:i') ?? '—'
+                        }}
                     </div>
                     @if ($appeal->sla_deadline && !$appeal->status->isResolved())
                         <div

app-modules/panel-admin/src/Marketing/Pages/Discord/Dashboard/Queries/ActivityPerDay.php

@@ -17,10 +17,11 @@ public function __construct(
     /** @return Collection<int, array{day: string, msgs: int, users: int}> */
     public function get(): Collection
     {
-        $start = Date::now('America/Sao_Paulo')->subDays($this->rangeDays)->startOfDay()->utc();
+        $tz = config('app.display_timezone');
+        $start = Date::now($tz)->subDays($this->rangeDays)->startOfDay()->utc();
 
         return DB::table('messages')
-            ->selectRaw("(sent_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Sao_Paulo')::date AS day")
+            ->selectRaw('(sent_at AT TIME ZONE ?)::date AS day', [$tz])
             ->selectRaw('COUNT(*) AS total_messages')
             ->selectRaw('COUNT(DISTINCT external_identity_id) AS unique_users')
             ->where('sent_at', '>=', $start)

app-modules/panel-admin/src/Marketing/Pages/Discord/Dashboard/Queries/MessageHeatmap.php

@@ -16,11 +16,12 @@ public function __construct(
     /** @return array<int, array{row: int, col: int, value: int}> */
     public function get(): array
     {
-        $start = Date::now('America/Sao_Paulo')->subDays($this->rangeDays)->startOfDay()->utc();
+        $tz = config('app.display_timezone');
+        $start = Date::now($tz)->subDays($this->rangeDays)->startOfDay()->utc();
 
         return DB::table('messages')
-            ->selectRaw("EXTRACT(DOW FROM sent_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Sao_Paulo')::int AS dow")
-            ->selectRaw("EXTRACT(HOUR FROM sent_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Sao_Paulo')::int AS hour")
+            ->selectRaw('EXTRACT(DOW FROM sent_at AT TIME ZONE ?)::int AS dow', [$tz])
+            ->selectRaw('EXTRACT(HOUR FROM sent_at AT TIME ZONE ?)::int AS hour', [$tz])
             ->selectRaw('COUNT(*) AS total')
             ->where('sent_at', '>=', $start)
             ->whereNotNull('sent_at')

app-modules/panel-admin/src/Marketing/Pages/Discord/Dashboard/Queries/PeriodStats.php

@@ -182,7 +182,7 @@ private function queryVoiceStats(array $subdivisions): array
     private function subdivisions(): array
     {
         return once(function (): array {
-            $now = Date::now('America/Sao_Paulo');
+            $now = Date::now(config('app.display_timezone'));
 
             [$blockCount, $blockSize, $unit] = match (true) {
                 $this->rangeDays >= 90 => [3, 30, 'days'],

app-modules/panel-admin/src/Marketing/Pages/Discord/Dashboard/Queries/TopChannels.php

@@ -17,7 +17,8 @@ public function __construct(
     /** @return Collection<int, array{channel_id: string, total_messages: int, unique_users: int}> */
     public function get(): Collection
     {
-        $start = Date::now('America/Sao_Paulo')->subDays($this->rangeDays)->startOfDay()->utc();
+        $tz = config('app.display_timezone');
+        $start = Date::now($tz)->subDays($this->rangeDays)->startOfDay()->utc();
 
         return DB::table('messages')
             ->select('channel_id')

app-modules/panel-admin/src/Marketing/Pages/Discord/Dashboard/Queries/VoiceHeatmap.php

@@ -16,11 +16,12 @@ public function __construct(
     /** @return array<int, array{row: int, col: int, value: int}> */
     public function get(): array
     {
-        $start = Date::now('America/Sao_Paulo')->subDays($this->rangeDays)->startOfDay()->utc();
+        $tz = config('app.display_timezone');
+        $start = Date::now($tz)->subDays($this->rangeDays)->startOfDay()->utc();
 
         return DB::table('voice_messages')
-            ->selectRaw("EXTRACT(DOW FROM occurred_at AT TIME ZONE 'America/Sao_Paulo')::int AS dow")
-            ->selectRaw("EXTRACT(HOUR FROM occurred_at AT TIME ZONE 'America/Sao_Paulo')::int AS hour")
+            ->selectRaw('EXTRACT(DOW FROM occurred_at AT TIME ZONE ?)::int AS dow', [$tz])
+            ->selectRaw('EXTRACT(HOUR FROM occurred_at AT TIME ZONE ?)::int AS hour', [$tz])
             ->selectRaw('COUNT(*) AS total')
             ->where('occurred_at', '>=', $start)
             ->whereNotNull('occurred_at')

app-modules/panel-admin/src/Marketing/Pages/Discord/Dashboard/Queries/VoicePerDay.php

@@ -17,10 +17,11 @@ public function __construct(
     /** @return Collection<int, array{day: string, joins: int, hours: float}> */
     public function get(): Collection
     {
-        $start = Date::now('America/Sao_Paulo')->subDays($this->rangeDays)->startOfDay()->utc();
+        $tz = config('app.display_timezone');
+        $start = Date::now($tz)->subDays($this->rangeDays)->startOfDay()->utc();
 
         return DB::table('voice_messages')
-            ->selectRaw("(occurred_at AT TIME ZONE 'America/Sao_Paulo')::date AS day")
+            ->selectRaw('(occurred_at AT TIME ZONE ?)::date AS day', [$tz])
             ->selectRaw('COUNT(*) AS total_joins')
             ->where('occurred_at', '>=', $start)
             ->whereNotNull('occurred_at')

app-modules/panel-admin/src/Marketing/Pages/MeetingShowcasePage.php

@@ -55,8 +55,9 @@ public function loadParticipants(): void
             return;
         }
 
-        $start = Date::parse($this->startDate, 'America/Sao_Paulo')->utc();
-        $end = Date::parse($this->endDate, 'America/Sao_Paulo')->utc();
+        $tz = config('app.display_timezone');
+        $start = Date::parse($this->startDate, $tz)->utc();
+        $end = Date::parse($this->endDate, $tz)->utc();
 
         $messageStats = Message::query()
             ->where('channel_id', $this->channelId)

app-modules/panel-admin/src/Moderation/Livewire/ModerationDashboardLivewire.php

@@ -346,10 +346,14 @@ public function repeatOffenders(): Collection
     #[Computed]
     public function activityHeatmap(): array
     {
+        $tz = config('app.display_timezone');
+
         $dbData = DB::table('moderation_actions')
             ->where('created_at', '>=', now()->subDays(30))
-            ->selectRaw('EXTRACT(DOW FROM created_at) as dow, EXTRACT(HOUR FROM created_at) as hour, count(*) as total')
-            ->groupByRaw('EXTRACT(DOW FROM created_at), EXTRACT(HOUR FROM created_at)')
+            ->selectRaw('EXTRACT(DOW FROM created_at AT TIME ZONE ?)::int AS dow', [$tz])
+            ->selectRaw('EXTRACT(HOUR FROM created_at AT TIME ZONE ?)::int AS hour', [$tz])
+            ->selectRaw('COUNT(*) AS total')
+            ->groupBy('dow', 'hour')
             ->get();
 
         $grid = array_fill(0, 7, array_fill(0, 24, 0));

config/app.php

@@ -69,7 +69,9 @@
     |
     */
 
-    'timezone' => env('APP_TIMEZONE', 'America/Sao_Paulo'),
+    'timezone' => env('APP_TIMEZONE', 'UTC'),
+
+    'display_timezone' => env('DISPLAY_TIMEZONE', 'America/Sao_Paulo'),
 
     /*
     |--------------------------------------------------------------------------

database/migrations/2026_05_20_160249_alter_messages_sent_at_to_timestamptz.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        DB::statement("ALTER TABLE messages ALTER COLUMN sent_at TYPE timestamptz USING sent_at AT TIME ZONE 'UTC'");
+    }
+};

docker-compose.yml

@@ -11,6 +11,8 @@ services:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
       POSTGRES_DB: dev_he4rtbot
+      TZ: Etc/UTC
+      PGTZ: Etc/UTC
     ports:
       - '5432:5432'
     volumes:

docker/postgres.Dockerfile

@@ -2,7 +2,7 @@
 
 FROM postgres:18-alpine
 
-ENV TZ=America/Sao_Paulo
+ENV TZ=Etc/UTC PGTZ=Etc/UTC
 
 RUN set -eux;\
     apk update;\

resources/views/livewire/connection-hub.blade.php

@@ -2,10 +2,7 @@
     use He4rt\Identity\ExternalIdentity\Models\ExternalIdentity;
 @endphp
 
-@props([
-    'supportedProviders',
-    'userProviders',
-])
+@props (['supportedProviders', 'userProviders'])
 
 @php
     /** @var \He4rt\Identity\ExternalIdentity\Enums\IdentityProvider[] $supportedProviders */
@@ -15,9 +12,10 @@
 <div data-slot="card-content" class="space-y-3 px-6">
     @foreach ($supportedProviders as $provider)
         @php
-            $connectedProvider = $userProviders->filter(fn (ExternalIdentity $connection) => $connection->provider == $provider->value)->first();
+            $connectedProvider = $userProviders
+                ->filter(fn(ExternalIdentity $connection) => $connection->provider == $provider->value)
+                ->first();
         @endphp
-
         <x-filament::section :secondary="$connectedProvider">
             <div class="flex flex-1 items-center gap-3">
                 <div class="bg-muted mt-0.5 rounded-lg p-2">
@@ -30,13 +28,15 @@
                             <x-filament::badge color="green">Connected</x-filament::badge>
                         @endif
                     </div>
-                    <p class="text-muted-foreground text-xs leading-relaxed">
-                        {{ $provider->getDescription() }}
-                    </p>
+                    <p class="text-muted-foreground text-xs leading-relaxed">{{ $provider->getDescription() }}</p>
                     <p class="text-muted-foreground text-xs">
                         @if ($connectedProvider)
                             Connected at
-                            <strong>{{ $connectedProvider->updated_at->format('d/m/Y H:i:s') }}</strong>
+                            <strong>{{
+                                $connectedProvider->updated_at
+                                    ->timezone(config('app.display_timezone'))
+                                    ->format('d/m/Y H:i:s')
+                            }}</strong>
                         @else
                             Nessa autenticação iremos pedir acesso à:
                             @foreach ($provider->getScopes() as $scope)
@@ -48,7 +48,7 @@
                 <x-filament::button
                     wire:click="{{ !$connectedProvider ? 'connect' : 'disconnect' }}('{{ $provider->value }}')"
                     :color="$connectedProvider ? 'danger' : 'primary'"
-                    :outlined="(bool)$connectedProvider"
+                    :outlined="(bool) $connectedProvider"
                 >
                     {{ $connectedProvider ? 'Disconnect' : 'Connect' }}
                 </x-filament::button>

routes/console.php

@@ -23,4 +23,5 @@
 Schedule::command('backup:monitor')
     ->when(fn () => config('backup.enabled'))
     ->daily()
-    ->at('09:00');
+    ->at('09:00')
+    ->timezone(config('app.display_timezone'));