Add better timezone support.

app/Models/AccountBalance.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace FireflyIII\Models;
 
+use FireflyIII\Casts\SeparateTimezoneCaster;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -16,6 +17,13 @@ class AccountBalance extends Model
     use HasFactory;
     protected $fillable = ['account_id', 'title', 'transaction_currency_id', 'balance', 'date', 'date_tz'];
 
+    protected function casts(): array
+    {
+        return [
+            'date' => SeparateTimezoneCaster::class,
+        ];
+    }
+
     public function account(): BelongsTo
     {
         return $this->belongsTo(Account::class);