diff --git a/app/Models/Assignment.php b/app/Models/Assignment.php
index 9e887c2..586e9cc 100644
--- a/app/Models/Assignment.php
+++ b/app/Models/Assignment.php
@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use App\Enums\AssignmentType;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -14,10 +15,16 @@
 
 class Assignment extends Model implements HasMedia
 {
+    // --- Traits ---
+
     use HasFactory, InteractsWithMedia, SoftDeletes;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Casts ---
+
     protected function casts(): array
     {
         return [
@@ -26,6 +33,25 @@ protected function casts(): array
         ];
     }
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedDueDate(): Attribute
+    {
+        return Attribute::get(fn () => $this->due_date?->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function assignmentPins(): HasMany
     {
         return $this->hasMany(AssignmentPin::class);
diff --git a/app/Models/AssignmentPin.php b/app/Models/AssignmentPin.php
index 884e27b..248fd6a 100644
--- a/app/Models/AssignmentPin.php
+++ b/app/Models/AssignmentPin.php
@@ -2,13 +2,30 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class AssignmentPin extends Model
 {
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function assignment(): BelongsTo
     {
         return $this->belongsTo(Assignment::class);
diff --git a/app/Models/AssignmentSubmission.php b/app/Models/AssignmentSubmission.php
index d927fb9..4183b03 100644
--- a/app/Models/AssignmentSubmission.php
+++ b/app/Models/AssignmentSubmission.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -10,10 +11,16 @@
 
 class AssignmentSubmission extends Model implements HasMedia
 {
+    // --- Traits ---
+
     use HasFactory, InteractsWithMedia;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Casts ---
+
     protected function casts(): array
     {
         return [
@@ -21,6 +28,25 @@ protected function casts(): array
         ];
     }
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedSubmittedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->submitted_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function assignment(): BelongsTo
     {
         return $this->belongsTo(Assignment::class);
diff --git a/app/Models/AssignmentTarget.php b/app/Models/AssignmentTarget.php
index e4f5cac..4d9d21d 100644
--- a/app/Models/AssignmentTarget.php
+++ b/app/Models/AssignmentTarget.php
@@ -2,16 +2,35 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class AssignmentTarget extends Model
 {
+    // --- Traits ---
+
     use HasFactory;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function assignment(): BelongsTo
     {
         return $this->belongsTo(Assignment::class);
diff --git a/app/Models/Attendance.php b/app/Models/Attendance.php
index e6d8486..282dc67 100644
--- a/app/Models/Attendance.php
+++ b/app/Models/Attendance.php
@@ -2,16 +2,23 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class Attendance extends Model
 {
+    // --- Traits ---
+
     use HasFactory;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Casts ---
+
     protected function casts(): array
     {
         return [
@@ -20,6 +27,30 @@ protected function casts(): array
         ];
     }
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedDate(): Attribute
+    {
+        return Attribute::get(fn () => $this->date?->translatedFormat('l, d M Y'));
+    }
+
+    protected function formattedAttendedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->attended_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function classSession(): BelongsTo
     {
         return $this->belongsTo(ClassSession::class);
diff --git a/app/Models/Changelog.php b/app/Models/Changelog.php
index f775886..63d56a7 100644
--- a/app/Models/Changelog.php
+++ b/app/Models/Changelog.php
@@ -10,8 +10,12 @@
 
 class Changelog extends Model
 {
+    // --- Traits ---
+
     use HasFactory, SoftDeletes;
 
+    // --- Properties ---
+
     protected $fillable = [
         'version',
         'release_date',
@@ -21,24 +25,33 @@ class Changelog extends Model
         'description',
     ];
 
-    /**
-     * The attributes that should be cast.
-     *
-     * @var array<string, string>
-     */
+    // --- Casts ---
+
     protected $casts = [
-        'release_date' => 'date',
         'changes' => 'array',
+        'release_date' => 'date',
         'type' => ChangelogType::class,
     ];
 
-    public function formattedVersion(): Attribute
+    // --- Accessors & Mutators ---
+
+    protected function formattedVersion(): Attribute
     {
         return Attribute::get(fn () => strtoupper($this->version));
     }
 
-    public function formattedReleaseDate(): Attribute
+    protected function formattedReleaseDate(): Attribute
     {
         return Attribute::get(fn () => $this->release_date->translatedFormat('l, d M Y'));
     }
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
 }
diff --git a/app/Models/ClassSession.php b/app/Models/ClassSession.php
index d07740a..88af5fe 100644
--- a/app/Models/ClassSession.php
+++ b/app/Models/ClassSession.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -10,20 +11,55 @@
 
 class ClassSession extends Model
 {
+    // --- Traits ---
+
     use HasFactory, SoftDeletes;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Casts ---
+
     protected function casts(): array
     {
         return [
             'date' => 'date',
+            'end_time' => 'datetime',
             'session_number' => 'integer',
             'start_time' => 'datetime',
-            'end_time' => 'datetime',
         ];
     }
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedDate(): Attribute
+    {
+        return Attribute::get(fn () => $this->date?->translatedFormat('l, d M Y'));
+    }
+
+    protected function formattedStartTime(): Attribute
+    {
+        return Attribute::get(fn () => $this->start_time?->translatedFormat('H:i'));
+    }
+
+    protected function formattedEndTime(): Attribute
+    {
+        return Attribute::get(fn () => $this->end_time?->translatedFormat('H:i'));
+    }
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function assignments(): HasMany
     {
         return $this->hasMany(Assignment::class);
diff --git a/app/Models/Course.php b/app/Models/Course.php
index 0f77e40..08c1186 100644
--- a/app/Models/Course.php
+++ b/app/Models/Course.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
@@ -10,10 +11,28 @@
 
 class Course extends Model
 {
+    // --- Traits ---
+
     use HasFactory, SoftDeletes;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function assignments(): HasMany
     {
         return $this->hasMany(Assignment::class);
diff --git a/app/Models/CourseSchedule.php b/app/Models/CourseSchedule.php
index dcf7a61..182b275 100644
--- a/app/Models/CourseSchedule.php
+++ b/app/Models/CourseSchedule.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -10,10 +11,16 @@
 
 class CourseSchedule extends Model
 {
+    // --- Traits ---
+
     use HasFactory, SoftDeletes;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Casts ---
+
     protected function casts(): array
     {
         return [
@@ -22,13 +29,37 @@ protected function casts(): array
         ];
     }
 
-    public function course(): BelongsTo
+    // --- Accessors & Mutators ---
+
+    protected function formattedStartTime(): Attribute
     {
-        return $this->belongsTo(Course::class);
+        return Attribute::get(fn () => $this->start_time?->translatedFormat('H:i'));
     }
 
+    protected function formattedEndTime(): Attribute
+    {
+        return Attribute::get(fn () => $this->end_time?->translatedFormat('H:i'));
+    }
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function attendances(): HasMany
     {
         return $this->hasMany(Attendance::class);
     }
+
+    public function course(): BelongsTo
+    {
+        return $this->belongsTo(Course::class);
+    }
 }
diff --git a/app/Models/Material.php b/app/Models/Material.php
index 15e0638..63d2d44 100644
--- a/app/Models/Material.php
+++ b/app/Models/Material.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -11,17 +12,35 @@
 
 class Material extends Model implements HasMedia
 {
+    // --- Traits ---
+
     use HasFactory, InteractsWithMedia, SoftDeletes;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
-    public function course(): BelongsTo
+    // --- Accessors & Mutators ---
+
+    protected function formattedCreatedAt(): Attribute
     {
-        return $this->belongsTo(Course::class);
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
     }
 
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function classSession(): BelongsTo
     {
         return $this->belongsTo(ClassSession::class);
     }
+
+    public function course(): BelongsTo
+    {
+        return $this->belongsTo(Course::class);
+    }
 }
diff --git a/app/Models/Student.php b/app/Models/Student.php
index bee66a6..94e816e 100644
--- a/app/Models/Student.php
+++ b/app/Models/Student.php
@@ -5,6 +5,7 @@
 use App\Enums\Sex;
 use Illuminate\Database\Eloquent\Attributes\Scope;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -14,10 +15,16 @@
 
 class Student extends Model
 {
+    // --- Traits ---
+
     use HasFactory, SoftDeletes;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Casts ---
+
     protected function casts(): array
     {
         return [
@@ -26,6 +33,8 @@ protected function casts(): array
         ];
     }
 
+    // --- Scopes ---
+
     #[Scope]
     protected function male(Builder $query): void
     {
@@ -38,6 +47,25 @@ protected function female(Builder $query): void
         $query->where('sex', Sex::Female);
     }
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedDateOfBirth(): Attribute
+    {
+        return Attribute::get(fn () => $this->date_of_birth?->translatedFormat('l, d M Y'));
+    }
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function assignmentPins(): HasMany
     {
         return $this->hasMany(AssignmentPin::class);
diff --git a/app/Models/StudyGroup.php b/app/Models/StudyGroup.php
index d829094..d0632e5 100644
--- a/app/Models/StudyGroup.php
+++ b/app/Models/StudyGroup.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -11,15 +12,28 @@
 
 class StudyGroup extends Model
 {
+    // --- Traits ---
+
     use HasFactory, SoftDeletes;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
-    public function isLeader(Student $student): bool
+    // --- Accessors & Mutators ---
+
+    protected function formattedCreatedAt(): Attribute
     {
-        return $this->leader_id === $student->id;
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
     }
 
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function assignmentSubmissions(): HasMany
     {
         return $this->hasMany(AssignmentSubmission::class);
@@ -60,6 +74,13 @@ public function students(): BelongsToMany
         return $this->belongsToMany(Student::class, 'study_group_members');
     }
 
+    // --- Methods ---
+
+    public function isLeader(Student $student): bool
+    {
+        return $this->leader_id === $student->id;
+    }
+
     public static function getBusyStudentIdsForCourses(array $courseIds, ?int $excludeGroupId = null): array
     {
         $busyMemberIds = StudyGroupMember::whereHas(
diff --git a/app/Models/StudyGroupMember.php b/app/Models/StudyGroupMember.php
index f88e759..47d655f 100644
--- a/app/Models/StudyGroupMember.php
+++ b/app/Models/StudyGroupMember.php
@@ -2,16 +2,35 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class StudyGroupMember extends Model
 {
+    // --- Traits ---
+
     use HasFactory;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
+    // --- Accessors & Mutators ---
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
diff --git a/app/Models/User.php b/app/Models/User.php
index 2867982..bceb993 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -20,15 +20,21 @@
 
 class User extends Authenticatable implements FilamentUser
 {
+    // --- Traits ---
+
     /** @use HasFactory<UserFactory> */
     use HasFacehashAvatar, HasFactory, HasRoles, Notifiable, SoftDeletes;
 
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
     protected $hidden = [
         'password',
     ];
 
+    // --- Casts ---
+
     protected function casts(): array
     {
         return [
@@ -37,6 +43,8 @@ protected function casts(): array
         ];
     }
 
+    // --- Scopes ---
+
     #[Scope]
     protected function active(Builder $query): void
     {
@@ -49,10 +57,7 @@ protected function inactive(Builder $query): void
         $query->where('is_active', IsActive::Inactive);
     }
 
-    public function canAccessPanel(Panel $panel): bool
-    {
-        return $this->is_active === IsActive::Active;
-    }
+    // --- Accessors & Mutators ---
 
     protected function name(): Attribute
     {
@@ -61,20 +66,39 @@ protected function name(): Attribute
         );
     }
 
-    public function student(): HasOne
+    protected function formattedCreatedAt(): Attribute
     {
-        return $this->hasOne(Student::class);
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
     }
 
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
     public function settings(): HasOne
     {
         return $this->hasOne(UserSetting::class)->withDefault([
             'notif_style' => NotifStyle::Cheerful,
-            'primary_color' => 'amber', // Cheerful yellow
+            'primary_color' => 'amber',
             'font' => 'Inter',
             'content_width' => 'full',
             'border_radius' => 'lg',
             'top_navigation' => false,
         ]);
     }
+
+    public function student(): HasOne
+    {
+        return $this->hasOne(Student::class);
+    }
+
+    // --- Methods ---
+
+    public function canAccessPanel(Panel $panel): bool
+    {
+        return $this->is_active === IsActive::Active;
+    }
 }
diff --git a/app/Models/UserSetting.php b/app/Models/UserSetting.php
index cc7cb93..afe19b6 100644
--- a/app/Models/UserSetting.php
+++ b/app/Models/UserSetting.php
@@ -3,17 +3,17 @@
 namespace App\Models;
 
 use App\Enums\NotifStyle;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class UserSetting extends Model
 {
+    // --- Properties ---
+
     protected $guarded = ['id'];
 
-    public function user(): BelongsTo
-    {
-        return $this->belongsTo(User::class);
-    }
+    // --- Casts ---
 
     protected function casts(): array
     {
@@ -22,4 +22,23 @@ protected function casts(): array
             'top_navigation' => 'boolean',
         ];
     }
+
+    // --- Accessors & Mutators ---
+
+    protected function formattedCreatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->created_at->translatedFormat('l, d M Y H:i'));
+    }
+
+    protected function formattedUpdatedAt(): Attribute
+    {
+        return Attribute::get(fn () => $this->updated_at?->translatedFormat('l, d M Y H:i'));
+    }
+
+    // --- Relations ---
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
 }