diff --git a/composer.lock b/composer.lock
index 1db25d3fe..908769353 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "00722ce3778eecbdefc65a10ebf0bba7",
+    "content-hash": "a0eeb54dbd1af337628325e833d9d409",
     "packages": [
         {
             "name": "dflydev/dot-access-data",
diff --git a/src/Entity/Comment.php b/src/Entity/Comment.php
index aa1b8e6bc..a69e6cc09 100644
--- a/src/Entity/Comment.php
+++ b/src/Entity/Comment.php
@@ -13,6 +13,9 @@
 
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
+use Doctrine\ORM\Mapping\HasLifecycleCallbacks;
+use Doctrine\ORM\Mapping\PrePersist;
+use Doctrine\ORM\Mapping\PreUpdate;
 use Symfony\Component\Validator\Constraints as Assert;
 use function Symfony\Component\String\u;
 
@@ -25,9 +28,11 @@
  *
  * @author Ryan Weaver <weaverryan@gmail.com>
  * @author Javier Eguiluz <javier.eguiluz@gmail.com>
+ * @author Mecanik <contact@mecanik.dev>
  */
 #[ORM\Entity]
 #[ORM\Table(name: 'symfony_demo_comment')]
+#[HasLifecycleCallbacks]
 class Comment
 {
     #[ORM\Id]
@@ -51,6 +56,12 @@ class Comment
     #[ORM\JoinColumn(nullable: false)]
     private ?User $author = null;
 
+    #[ORM\Column(type: Types::DATETIMET_IMMUTABLE)]
+    private $createdAt;
+
+    #[ORM\Column(type: Types::DATETIMET_IMMUTABLE)]
+    private $updatedAt;
+
     public function __construct()
     {
         $this->publishedAt = new \DateTime();
@@ -108,4 +119,46 @@ public function setPost(Post $post): void
     {
         $this->post = $post;
     }
+
+    public function getCreatedAt(): ?\DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
+    public function setCreatedAt(\DateTimeImmutable $createdAt): self
+    {
+        $this->createdAt = $createdAt;
+
+        return $this;
+    }
+
+    public function getUpdatedAt(): ?\DateTimeImmutable
+    {
+        return $this->updatedAt;
+    }
+
+    public function setUpdatedAt(\DateTimeImmutable $updatedAt): self
+    {
+        $this->updatedAt = $updatedAt;
+
+        return $this;
+    }
+
+    #[PrePersist]
+    public function onPrePersist()
+    {
+        if (null === $this->getCreatedAt()) {
+            $this->setCreatedAt(new \DateTimeImmutable('now'));
+        }
+		
+		if ($this->getUpdatedAt() == null) {
+            $this->setUpdatedAt(new \DateTimeImmutable('now'));
+        }
+    }
+
+    #[PreUpdate]
+    public function onPreUpdate()
+    {
+        $this->setUpdatedAt(new \DateTimeImmutable('now'));
+    }
 }
diff --git a/src/Entity/Post.php b/src/Entity/Post.php
index 8d1913697..32912cbb8 100644
--- a/src/Entity/Post.php
+++ b/src/Entity/Post.php
@@ -16,6 +16,9 @@
 use Doctrine\Common\Collections\Collection;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
+use Doctrine\ORM\Mapping\HasLifecycleCallbacks;
+use Doctrine\ORM\Mapping\PrePersist;
+use Doctrine\ORM\Mapping\PreUpdate;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Validator\Constraints as Assert;
 
@@ -30,10 +33,12 @@
  * @author Ryan Weaver <weaverryan@gmail.com>
  * @author Javier Eguiluz <javier.eguiluz@gmail.com>
  * @author Yonel Ceruto <yonelceruto@gmail.com>
+ * @author Mecanik <contact@mecanik.dev>
  */
 #[ORM\Entity(repositoryClass: PostRepository::class)]
 #[ORM\Table(name: 'symfony_demo_post')]
 #[UniqueEntity(fields: ['slug'], errorPath: 'title', message: 'post.slug_unique')]
+#[HasLifecycleCallbacks]
 class Post
 {
     #[ORM\Id]
@@ -81,6 +86,12 @@ class Post
     #[Assert\Count(max: 4, maxMessage: 'post.too_many_tags')]
     private Collection $tags;
 
+    #[ORM\Column(type: Types::DATETIMET_IMMUTABLE)]
+    private $createdAt;
+
+    #[ORM\Column(type: Types::DATETIMET_IMMUTABLE)]
+    private $updatedAt;
+
     public function __construct()
     {
         $this->publishedAt = new \DateTime();
@@ -195,4 +206,46 @@ public function getTags(): Collection
     {
         return $this->tags;
     }
+
+    public function getCreatedAt(): ?\DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
+    public function setCreatedAt(\DateTimeImmutable $createdAt): self
+    {
+        $this->createdAt = $createdAt;
+
+        return $this;
+    }
+
+    public function getUpdatedAt(): ?\DateTimeImmutable
+    {
+        return $this->updatedAt;
+    }
+
+    public function setUpdatedAt(\DateTimeImmutable $updatedAt): self
+    {
+        $this->updatedAt = $updatedAt;
+
+        return $this;
+    }
+
+    #[PrePersist]
+    public function onPrePersist()
+    {
+        if (null === $this->getCreatedAt()) {
+            $this->setCreatedAt(new \DateTimeImmutable('now'));
+        }
+		
+		if ($this->getUpdatedAt() == null) {
+            $this->setUpdatedAt(new \DateTimeImmutable('now'));
+        }
+    }
+
+    #[PreUpdate]
+    public function onPreUpdate()
+    {
+        $this->setUpdatedAt(new \DateTimeImmutable('now'));
+    }
 }
diff --git a/src/Entity/Tag.php b/src/Entity/Tag.php
index 0979290f4..0b2918f19 100644
--- a/src/Entity/Tag.php
+++ b/src/Entity/Tag.php
@@ -13,6 +13,9 @@
 
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
+use Doctrine\ORM\Mapping\HasLifecycleCallbacks;
+use Doctrine\ORM\Mapping\PrePersist;
+use Doctrine\ORM\Mapping\PreUpdate;
 
 /**
  * Defines the properties of the Tag entity to represent the post tags.
@@ -20,9 +23,11 @@
  * See https://symfony.com/doc/current/doctrine.html#creating-an-entity-class
  *
  * @author Yonel Ceruto <yonelceruto@gmail.com>
+ * @author Mecanik <contact@mecanik.dev>
  */
 #[ORM\Entity]
 #[ORM\Table(name: 'symfony_demo_tag')]
+#[HasLifecycleCallbacks]
 class Tag implements \JsonSerializable
 {
     #[ORM\Id]
@@ -33,6 +38,12 @@ class Tag implements \JsonSerializable
     #[ORM\Column(type: Types::STRING, unique: true)]
     private readonly string $name;
 
+    #[ORM\Column(type: Types::DATETIMET_IMMUTABLE)]
+    private $createdAt;
+
+    #[ORM\Column(type: Types::DATETIMET_IMMUTABLE)]
+    private $updatedAt;
+
     public function __construct(string $name)
     {
         $this->name = $name;
@@ -61,4 +72,46 @@ public function __toString(): string
     {
         return $this->name;
     }
+
+    public function getCreatedAt(): ?\DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
+    public function setCreatedAt(\DateTimeImmutable $createdAt): self
+    {
+        $this->createdAt = $createdAt;
+
+        return $this;
+    }
+
+    public function getUpdatedAt(): ?\DateTimeImmutable
+    {
+        return $this->updatedAt;
+    }
+
+    public function setUpdatedAt(\DateTimeImmutable $updatedAt): self
+    {
+        $this->updatedAt = $updatedAt;
+
+        return $this;
+    }
+
+    #[PrePersist]
+    public function onPrePersist()
+    {
+        if (null === $this->getCreatedAt()) {
+            $this->setCreatedAt(new \DateTimeImmutable('now'));
+        }
+		
+		if ($this->getUpdatedAt() == null) {
+            $this->setUpdatedAt(new \DateTimeImmutable('now'));
+        }
+    }
+
+    #[PreUpdate]
+    public function onPreUpdate()
+    {
+        $this->setUpdatedAt(new \DateTimeImmutable('now'));
+    }
 }
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 547ee659f..a471af3ac 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -14,6 +14,9 @@
 use App\Repository\UserRepository;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
+use Doctrine\ORM\Mapping\HasLifecycleCallbacks;
+use Doctrine\ORM\Mapping\PrePersist;
+use Doctrine\ORM\Mapping\PreUpdate;
 use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
 use Symfony\Component\Security\Core\User\UserInterface;
 use Symfony\Component\Validator\Constraints as Assert;
@@ -27,9 +30,11 @@
  *
  * @author Ryan Weaver <weaverryan@gmail.com>
  * @author Javier Eguiluz <javier.eguiluz@gmail.com>
+ * @author Mecanik <contact@mecanik.dev>
  */
 #[ORM\Entity(repositoryClass: UserRepository::class)]
 #[ORM\Table(name: 'symfony_demo_user')]
+#[HasLifecycleCallbacks]
 class User implements UserInterface, PasswordAuthenticatedUserInterface
 {
     // We can use constants for roles to find usages all over the application rather
@@ -59,6 +64,12 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
     #[ORM\Column(type: Types::STRING)]
     private ?string $password = null;
 
+    #[ORM\Column(type: Types::DATETIMET_IMMUTABLE)]
+    private $createdAt;
+
+    #[ORM\Column(type: Types::DATETIMET_IMMUTABLE)]
+    private $updatedAt;
+
     /**
      * @var string[]
      */
@@ -180,4 +191,46 @@ public function __unserialize(array $data): void
         // add $this->salt too if you don't use Bcrypt or Argon2i
         [$this->id, $this->username, $this->password] = $data;
     }
+
+    public function getCreatedAt(): ?\DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
+    public function setCreatedAt(\DateTimeImmutable $createdAt): self
+    {
+        $this->createdAt = $createdAt;
+
+        return $this;
+    }
+
+    public function getUpdatedAt(): ?\DateTimeImmutable
+    {
+        return $this->updatedAt;
+    }
+
+    public function setUpdatedAt(\DateTimeImmutable $updatedAt): self
+    {
+        $this->updatedAt = $updatedAt;
+
+        return $this;
+    }
+
+    #[PrePersist]
+    public function onPrePersist()
+    {
+        if (null === $this->getCreatedAt()) {
+            $this->setCreatedAt(new \DateTimeImmutable('now'));
+        }
+		
+		if ($this->getUpdatedAt() == null) {
+            $this->setUpdatedAt(new \DateTimeImmutable('now'));
+        }
+    }
+
+    #[PreUpdate]
+    public function onPreUpdate()
+    {
+        $this->setUpdatedAt(new \DateTimeImmutable('now'));
+    }
 }