diff --git a/app/Anime.php b/app/Anime.php
index e8a1242..708a711 100644
--- a/app/Anime.php
+++ b/app/Anime.php
@@ -154,13 +154,25 @@ class Anime extends JikanApiSearchableModel
     /** @noinspection PhpUnused */
     public function filterByStartDate(\Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder $query, CarbonImmutable $value): \Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder
     {
-        return $query->where("aired.from", ">=", $value->setTime(0, 0)->toAtomString());
+        return $query
+            ->where("aired.from", ">=",
+                $value
+                    ->setTime(0, 0)
+                    ->setTimezone(new \DateTimeZone('UTC'))
+                    ->toAtomString()
+            );
     }
 
     /** @noinspection PhpUnused */
     public function filterByEndDate(\Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder $query, CarbonImmutable $value): \Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder
     {
-        return $query->where("aired.to", "<=", $value->setTime(0, 0)->toAtomString());
+        return $query
+            ->where("aired.to", "<=",
+                $value
+                    ->setTime(0, 0)
+                    ->setTimezone(new \DateTimeZone('UTC'))
+                    ->toAtomString()
+            );
     }
 
     public function filterByProducer(\Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder $query, string $value): \Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder
diff --git a/app/Features/QueryAnimeSeasonHandlerBase.php b/app/Features/QueryAnimeSeasonHandlerBase.php
index 304f178..67a8ced 100644
--- a/app/Features/QueryAnimeSeasonHandlerBase.php
+++ b/app/Features/QueryAnimeSeasonHandlerBase.php
@@ -61,11 +61,13 @@ abstract class QueryAnimeSeasonHandlerBase implements RequestHandler
             default => throw new BadRequestException('Invalid season supplied'),
         };
 
-        $from = Carbon::createFromDate($year, $monthStart, 1);
-        $from->setTime(0, 0);
+        $from = Carbon::createFromDate($year, $monthStart, 1)
+            ->setTimezone(new \DateTimeZone('UTC'))
+            ->setTime(0, 0);
 
-        $to = Carbon::createFromDate($year, $monthEnd, 1);
-        $to->setTime(0, 0);
+        $to = Carbon::createFromDate($year, $monthEnd, 1)
+            ->setTimezone(new \DateTimeZone('UTC'))
+            ->setTime(0,0);
 
         return [
             $from,
diff --git a/app/IsoDateFormatter.php b/app/IsoDateFormatter.php
index 8003bc6..edf9be3 100644
--- a/app/IsoDateFormatter.php
+++ b/app/IsoDateFormatter.php
@@ -14,6 +14,7 @@ trait IsoDateFormatter
                 $dt[2] ?? 1
             )
             ->setTime(0, 0)
+            ->setTimezone(new \DateTimeZone('UTC'))
             ->format(DATE_ATOM);
     }
 }
diff --git a/app/Manga.php b/app/Manga.php
index cf94471..9fc193f 100644
--- a/app/Manga.php
+++ b/app/Manga.php
@@ -68,13 +68,23 @@ class Manga extends JikanApiSearchableModel
     /** @noinspection PhpUnused */
     public function filterByStartDate(\Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder $query, CarbonImmutable $value): \Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder
     {
-        return $query->where("published.from", ">=", $value->setTime(0, 0)->toAtomString());
+        return $query
+            ->where("published.from", ">=",
+                $value->setTime(0, 0)
+                    ->setTimezone(new \DateTimeZone('UTC'))
+                    ->toAtomString()
+            );
     }
 
     /** @noinspection PhpUnused */
     public function filterByEndDate(\Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder $query, CarbonImmutable $value): \Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder
     {
-        return $query->where("published.to", "<=", $value->setTime(0, 0)->toAtomString());
+        return $query
+            ->where("published.to", "<=",
+                $value->setTime(0, 0)
+                    ->setTimezone(new \DateTimeZone('UTC'))
+                    ->toAtomString()
+            );
     }
 
     public function filterByMagazine(\Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder $query, string $value): \Laravel\Scout\Builder|\Illuminate\Database\Eloquent\Builder