diff --git a/src/Entity/Attention.php b/src/Entity/Attention.php
index c06c0b703d..827eabfd22 100644
--- a/src/Entity/Attention.php
+++ b/src/Entity/Attention.php
@@ -40,8 +40,8 @@ class Attention
     private int $notice_id;
     private int $profile_id;
     private ?string $reason;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setNoticeId(int $notice_id): self
     {
@@ -73,22 +73,22 @@ class Attention
         return $this->reason;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Avatar.php b/src/Entity/Avatar.php
index fbfa3407e1..f553e7b872 100644
--- a/src/Entity/Avatar.php
+++ b/src/Entity/Avatar.php
@@ -43,8 +43,8 @@ class Avatar
     private int $height;
     private string $mediatype;
     private ?string $filename;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setProfileId(int $profile_id): self
     {
@@ -106,22 +106,22 @@ class Avatar
         return $this->filename;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ConfirmAddress.php b/src/Entity/ConfirmAddress.php
index d1569398a7..5bc36a97a7 100644
--- a/src/Entity/ConfirmAddress.php
+++ b/src/Entity/ConfirmAddress.php
@@ -42,9 +42,9 @@ class ConfirmAddress
     private string $address;
     private ?string $address_extra;
     private string $address_type;
-    private ?DateTime $claimed;
-    private ?DateTime $sent;
-    private DateTime $modified;
+    private ?\DateTimeInterface $claimed;
+    private ?\DateTimeInterface $sent;
+    private \DateTimeInterface $modified;
 
     public function setCode(string $code): self
     {
@@ -96,32 +96,32 @@ class ConfirmAddress
         return $this->address_type;
     }
 
-    public function setClaimed(?DateTime $claimed): self
+    public function setClaimed(?\DateTimeInterface $claimed): self
     {
         $this->claimed = $claimed;
         return $this;
     }
-    public function getClaimed(): ?DateTime
+    public function getClaimed(): ?\DateTimeInterface
     {
         return $this->claimed;
     }
 
-    public function setSent(?DateTime $sent): self
+    public function setSent(?\DateTimeInterface $sent): self
     {
         $this->sent = $sent;
         return $this;
     }
-    public function getSent(): ?DateTime
+    public function getSent(): ?\DateTimeInterface
     {
         return $this->sent;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Consumer.php b/src/Entity/Consumer.php
index 1ff6368f5f..d4a7c745e2 100644
--- a/src/Entity/Consumer.php
+++ b/src/Entity/Consumer.php
@@ -40,8 +40,8 @@ class Consumer
     private string $consumer_key;
     private string $consumer_secret;
     private string $seed;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setConsumerKey(string $consumer_key): self
     {
@@ -73,22 +73,22 @@ class Consumer
         return $this->seed;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Conversation.php b/src/Entity/Conversation.php
index 31ccd32657..414a06d66f 100644
--- a/src/Entity/Conversation.php
+++ b/src/Entity/Conversation.php
@@ -38,8 +38,8 @@ class Conversation
     private int $id;
     private string $uri;
     private ?string $url;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -71,22 +71,22 @@ class Conversation
         return $this->url;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/File.php b/src/Entity/File.php
index d48eb42ebb..690a500ee4 100644
--- a/src/Entity/File.php
+++ b/src/Entity/File.php
@@ -49,7 +49,7 @@ class File
     private ?string $filename;
     private ?int $width;
     private ?int $height;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -171,12 +171,12 @@ class File
         return $this->height;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/FileRedirection.php b/src/Entity/FileRedirection.php
index fe9cf82a57..2cc1fe9e0f 100644
--- a/src/Entity/FileRedirection.php
+++ b/src/Entity/FileRedirection.php
@@ -42,7 +42,7 @@ class FileRedirection
     private ?int $file_id;
     private ?int $redirections;
     private ?int $httpcode;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setUrlhash(string $urlhash): self
     {
@@ -94,12 +94,12 @@ class FileRedirection
         return $this->httpcode;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/FileThumbnail.php b/src/Entity/FileThumbnail.php
index 0a9c2f6b86..0ec363c252 100644
--- a/src/Entity/FileThumbnail.php
+++ b/src/Entity/FileThumbnail.php
@@ -43,7 +43,7 @@ class FileThumbnail
     private ?string $filename;
     private int $width;
     private int $height;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setFileId(int $file_id): self
     {
@@ -105,12 +105,12 @@ class FileThumbnail
         return $this->height;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/FileToPost.php b/src/Entity/FileToPost.php
index 3d11165e9d..2b43109e14 100644
--- a/src/Entity/FileToPost.php
+++ b/src/Entity/FileToPost.php
@@ -39,7 +39,7 @@ class FileToPost
 
     private int $file_id;
     private int $post_id;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setFileId(int $file_id): self
     {
@@ -61,12 +61,12 @@ class FileToPost
         return $this->post_id;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ForeignLink.php b/src/Entity/ForeignLink.php
index bf5ae2b2c6..ee1a10aeb6 100644
--- a/src/Entity/ForeignLink.php
+++ b/src/Entity/ForeignLink.php
@@ -44,10 +44,10 @@ class ForeignLink
     private int $noticesync;
     private int $friendsync;
     private int $profilesync;
-    private ?DateTime $last_noticesync;
-    private ?DateTime $last_friendsync;
-    private DateTime $created;
-    private DateTime $modified;
+    private ?\DateTimeInterface $last_noticesync;
+    private ?\DateTimeInterface $last_friendsync;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setUserId(int $user_id): self
     {
@@ -119,42 +119,42 @@ class ForeignLink
         return $this->profilesync;
     }
 
-    public function setLastNoticesync(?DateTime $last_noticesync): self
+    public function setLastNoticesync(?\DateTimeInterface $last_noticesync): self
     {
         $this->last_noticesync = $last_noticesync;
         return $this;
     }
-    public function getLastNoticesync(): ?DateTime
+    public function getLastNoticesync(): ?\DateTimeInterface
     {
         return $this->last_noticesync;
     }
 
-    public function setLastFriendsync(?DateTime $last_friendsync): self
+    public function setLastFriendsync(?\DateTimeInterface $last_friendsync): self
     {
         $this->last_friendsync = $last_friendsync;
         return $this;
     }
-    public function getLastFriendsync(): ?DateTime
+    public function getLastFriendsync(): ?\DateTimeInterface
     {
         return $this->last_friendsync;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ForeignService.php b/src/Entity/ForeignService.php
index 6283e92590..be4bedaf15 100644
--- a/src/Entity/ForeignService.php
+++ b/src/Entity/ForeignService.php
@@ -40,8 +40,8 @@ class ForeignService
     private int $id;
     private string $name;
     private ?string $description;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -73,22 +73,22 @@ class ForeignService
         return $this->description;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ForeignSubscription.php b/src/Entity/ForeignSubscription.php
index fdc96bd938..3656d27719 100644
--- a/src/Entity/ForeignSubscription.php
+++ b/src/Entity/ForeignSubscription.php
@@ -40,7 +40,7 @@ class ForeignSubscription
     private int $service;
     private int $subscriber;
     private int $subscribed;
-    private DateTime $created;
+    private \DateTimeInterface $created;
 
     public function setService(int $service): self
     {
@@ -72,12 +72,12 @@ class ForeignSubscription
         return $this->subscribed;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/ForeignUser.php b/src/Entity/ForeignUser.php
index b55e87a3a5..603c156578 100644
--- a/src/Entity/ForeignUser.php
+++ b/src/Entity/ForeignUser.php
@@ -41,8 +41,8 @@ class ForeignUser
     private int $service;
     private string $uri;
     private ?string $nickname;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -84,22 +84,22 @@ class ForeignUser
         return $this->nickname;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/GroupAlias.php b/src/Entity/GroupAlias.php
index 92b9980227..e89f899b77 100644
--- a/src/Entity/GroupAlias.php
+++ b/src/Entity/GroupAlias.php
@@ -39,7 +39,7 @@ class GroupAlias
 
     private string $alias;
     private int $group_id;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setAlias(string $alias): self
     {
@@ -61,12 +61,12 @@ class GroupAlias
         return $this->group_id;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/GroupBlock.php b/src/Entity/GroupBlock.php
index 9a0d67e645..d5338e1200 100644
--- a/src/Entity/GroupBlock.php
+++ b/src/Entity/GroupBlock.php
@@ -40,7 +40,7 @@ class GroupBlock
     private int $group_id;
     private int $blocked;
     private int $blocker;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setGroupId(int $group_id): self
     {
@@ -72,12 +72,12 @@ class GroupBlock
         return $this->blocker;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/GroupInbox.php b/src/Entity/GroupInbox.php
index 8c5f4a9762..4656646ff5 100644
--- a/src/Entity/GroupInbox.php
+++ b/src/Entity/GroupInbox.php
@@ -39,7 +39,7 @@ class GroupInbox
 
     private int $group_id;
     private int $notice_id;
-    private DateTime $created;
+    private \DateTimeInterface $created;
 
     public function setGroupId(int $group_id): self
     {
@@ -61,12 +61,12 @@ class GroupInbox
         return $this->notice_id;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/GroupJoinQueue.php b/src/Entity/GroupJoinQueue.php
index 34248082ba..9642f357bf 100644
--- a/src/Entity/GroupJoinQueue.php
+++ b/src/Entity/GroupJoinQueue.php
@@ -39,7 +39,7 @@ class GroupJoinQueue
 
     private int $profile_id;
     private int $group_id;
-    private DateTime $created;
+    private \DateTimeInterface $created;
 
     public function setProfileId(int $profile_id): self
     {
@@ -61,12 +61,12 @@ class GroupJoinQueue
         return $this->group_id;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/GroupMember.php b/src/Entity/GroupMember.php
index 9331b22960..5ce012730f 100644
--- a/src/Entity/GroupMember.php
+++ b/src/Entity/GroupMember.php
@@ -41,8 +41,8 @@ class GroupMember
     private int $profile_id;
     private ?bool $is_admin;
     private ?string $uri;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setGroupId(int $group_id): self
     {
@@ -84,22 +84,22 @@ class GroupMember
         return $this->uri;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Invitation.php b/src/Entity/Invitation.php
index a5a95a7029..c09a4fc681 100644
--- a/src/Entity/Invitation.php
+++ b/src/Entity/Invitation.php
@@ -41,7 +41,7 @@ class Invitation
     private int $user_id;
     private string $address;
     private string $address_type;
-    private DateTime $created;
+    private \DateTimeInterface $created;
     private ?int $registered_user_id;
 
     public function setCode(string $code): self
@@ -84,12 +84,12 @@ class Invitation
         return $this->address_type;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/LocalGroup.php b/src/Entity/LocalGroup.php
index d824aacd16..52266da6fc 100644
--- a/src/Entity/LocalGroup.php
+++ b/src/Entity/LocalGroup.php
@@ -39,8 +39,8 @@ class LocalGroup
 
     private int $group_id;
     private ?string $nickname;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setGroupId(int $group_id): self
     {
@@ -62,22 +62,22 @@ class LocalGroup
         return $this->nickname;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/LocationNamespace.php b/src/Entity/LocationNamespace.php
index 35702f50aa..edb1b3608b 100644
--- a/src/Entity/LocationNamespace.php
+++ b/src/Entity/LocationNamespace.php
@@ -39,8 +39,8 @@ class LocationNamespace
 
     private int $id;
     private ?string $description;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -62,22 +62,22 @@ class LocationNamespace
         return $this->description;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/LoginToken.php b/src/Entity/LoginToken.php
index acb86eeb0f..038c35dd57 100644
--- a/src/Entity/LoginToken.php
+++ b/src/Entity/LoginToken.php
@@ -39,8 +39,8 @@ class LoginToken
 
     private int $user_id;
     private string $token;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setUserId(int $user_id): self
     {
@@ -62,22 +62,22 @@ class LoginToken
         return $this->token;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Nonce.php b/src/Entity/Nonce.php
index b05ed6651d..37568cd88a 100644
--- a/src/Entity/Nonce.php
+++ b/src/Entity/Nonce.php
@@ -40,9 +40,9 @@ class Nonce
     private string $consumer_key;
     private ?string $tok;
     private string $nonce;
-    private DateTime $ts;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $ts;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setConsumerKey(string $consumer_key): self
     {
@@ -74,32 +74,32 @@ class Nonce
         return $this->nonce;
     }
 
-    public function setTs(DateTime $ts): self
+    public function setTs(\DateTimeInterface $ts): self
     {
         $this->ts = $ts;
         return $this;
     }
-    public function getTs(): DateTime
+    public function getTs(): \DateTimeInterface
     {
         return $this->ts;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Notice.php b/src/Entity/Notice.php
index 30127c24af..977c98f2b5 100644
--- a/src/Entity/Notice.php
+++ b/src/Entity/Notice.php
@@ -43,8 +43,8 @@ class Notice
     private ?string $content;
     private ?string $rendered;
     private ?string $url;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
     private ?int $reply_to;
     private ?int $is_local;
     private ?string $source;
@@ -114,22 +114,22 @@ class Notice
         return $this->url;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/NoticeLocation.php b/src/Entity/NoticeLocation.php
index 91b29ea233..b233929625 100644
--- a/src/Entity/NoticeLocation.php
+++ b/src/Entity/NoticeLocation.php
@@ -42,7 +42,7 @@ class NoticeLocation
     private ?float $lon;
     private ?int $location_id;
     private ?int $location_ns;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setNoticeId(int $notice_id): self
     {
@@ -94,12 +94,12 @@ class NoticeLocation
         return $this->location_ns;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/NoticePrefs.php b/src/Entity/NoticePrefs.php
index 3f13eadea3..d166a4de9d 100644
--- a/src/Entity/NoticePrefs.php
+++ b/src/Entity/NoticePrefs.php
@@ -43,8 +43,8 @@ class NoticePrefs
     private string $namespace;
     private string $topic;
     private $data;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setNoticeId(int $notice_id): self
     {
@@ -86,22 +86,22 @@ class NoticePrefs
         return $this->data;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/NoticeSource.php b/src/Entity/NoticeSource.php
index 10827d1269..2efe575bdc 100644
--- a/src/Entity/NoticeSource.php
+++ b/src/Entity/NoticeSource.php
@@ -41,8 +41,8 @@ class NoticeSource
     private string $name;
     private string $url;
     private int $notice_id;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setCode(string $code): self
     {
@@ -84,22 +84,22 @@ class NoticeSource
         return $this->notice_id;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/NoticeTag.php b/src/Entity/NoticeTag.php
index b01c979bf5..fd7928e52a 100644
--- a/src/Entity/NoticeTag.php
+++ b/src/Entity/NoticeTag.php
@@ -39,7 +39,7 @@ class NoticeTag
 
     private string $tag;
     private int $notice_id;
-    private DateTime $created;
+    private \DateTimeInterface $created;
 
     public function setTag(string $tag): self
     {
@@ -61,12 +61,12 @@ class NoticeTag
         return $this->notice_id;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/OauthApplication.php b/src/Entity/OauthApplication.php
index a37ef9f06a..394dfe9981 100644
--- a/src/Entity/OauthApplication.php
+++ b/src/Entity/OauthApplication.php
@@ -49,8 +49,8 @@ class OauthApplication
     private ?string $callback_url;
     private ?int $type;
     private ?int $access_type;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -172,22 +172,22 @@ class OauthApplication
         return $this->access_type;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/OauthApplicationUser.php b/src/Entity/OauthApplicationUser.php
index 7fa516f2be..a0a44e5431 100644
--- a/src/Entity/OauthApplicationUser.php
+++ b/src/Entity/OauthApplicationUser.php
@@ -41,8 +41,8 @@ class OauthApplicationUser
     private int $application_id;
     private ?int $access_type;
     private ?string $token;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setProfileId(int $profile_id): self
     {
@@ -84,22 +84,22 @@ class OauthApplicationUser
         return $this->token;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/OauthTokenAssociation.php b/src/Entity/OauthTokenAssociation.php
index 2ac51c23a3..0728fd2441 100644
--- a/src/Entity/OauthTokenAssociation.php
+++ b/src/Entity/OauthTokenAssociation.php
@@ -40,8 +40,8 @@ class OauthTokenAssociation
     private int $profile_id;
     private int $application_id;
     private string $token;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setProfileId(int $profile_id): self
     {
@@ -73,22 +73,22 @@ class OauthTokenAssociation
         return $this->token;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/OldSchoolPrefs.php b/src/Entity/OldSchoolPrefs.php
index b15a657559..73649bb154 100644
--- a/src/Entity/OldSchoolPrefs.php
+++ b/src/Entity/OldSchoolPrefs.php
@@ -41,8 +41,8 @@ class OldSchoolPrefs
     private ?bool $stream_mode_only;
     private ?bool $conversation_tree;
     private ?bool $stream_nicknames;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setUserId(int $user_id): self
     {
@@ -84,22 +84,22 @@ class OldSchoolPrefs
         return $this->stream_nicknames;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Profile.php b/src/Entity/Profile.php
index 59052035b0..fba9877d46 100644
--- a/src/Entity/Profile.php
+++ b/src/Entity/Profile.php
@@ -48,8 +48,8 @@ class Profile
     private ?float $lon;
     private ?int $location_id;
     private ?int $location_ns;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -161,22 +161,22 @@ class Profile
         return $this->location_ns;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ProfileBlock.php b/src/Entity/ProfileBlock.php
index 65a5131cfd..a828a99b02 100644
--- a/src/Entity/ProfileBlock.php
+++ b/src/Entity/ProfileBlock.php
@@ -39,7 +39,7 @@ class ProfileBlock
 
     private int $blocker;
     private int $blocked;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setBlocker(int $blocker): self
     {
@@ -61,12 +61,12 @@ class ProfileBlock
         return $this->blocked;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ProfileList.php b/src/Entity/ProfileList.php
index bd585f4a9f..ea731440d2 100644
--- a/src/Entity/ProfileList.php
+++ b/src/Entity/ProfileList.php
@@ -42,8 +42,8 @@ class ProfileList
     private string $tag;
     private ?string $description;
     private ?bool $private;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
     private ?string $uri;
     private ?string $mainpage;
     private ?int $tagged_count;
@@ -99,22 +99,22 @@ class ProfileList
         return $this->private;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ProfilePrefs.php b/src/Entity/ProfilePrefs.php
index 0062eb5fc5..bd6ff28a80 100644
--- a/src/Entity/ProfilePrefs.php
+++ b/src/Entity/ProfilePrefs.php
@@ -41,8 +41,8 @@ class ProfilePrefs
     private string $namespace;
     private string $topic;
     private $data;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setProfileId(int $profile_id): self
     {
@@ -84,22 +84,22 @@ class ProfilePrefs
         return $this->data;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ProfileRole.php b/src/Entity/ProfileRole.php
index cce1b901f2..715960e75f 100644
--- a/src/Entity/ProfileRole.php
+++ b/src/Entity/ProfileRole.php
@@ -39,7 +39,7 @@ class ProfileRole
 
     private int $profile_id;
     private string $role;
-    private DateTime $created;
+    private \DateTimeInterface $created;
 
     public function setProfileId(int $profile_id): self
     {
@@ -61,12 +61,12 @@ class ProfileRole
         return $this->role;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/ProfileTag.php b/src/Entity/ProfileTag.php
index 685f5d2185..b63fa38b61 100644
--- a/src/Entity/ProfileTag.php
+++ b/src/Entity/ProfileTag.php
@@ -40,7 +40,7 @@ class ProfileTag
     private int $tagger;
     private int $tagged;
     private string $tag;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setTagger(int $tagger): self
     {
@@ -72,12 +72,12 @@ class ProfileTag
         return $this->tag;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/ProfileTagSubscription.php b/src/Entity/ProfileTagSubscription.php
index cdb72fe4f9..89246d9772 100644
--- a/src/Entity/ProfileTagSubscription.php
+++ b/src/Entity/ProfileTagSubscription.php
@@ -39,8 +39,8 @@ class ProfileTagSubscription
 
     private int $profile_tag_id;
     private int $profile_id;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setProfileTagId(int $profile_tag_id): self
     {
@@ -62,22 +62,22 @@ class ProfileTagSubscription
         return $this->profile_id;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/QueueItem.php b/src/Entity/QueueItem.php
index 138f5811c7..31b2f64e91 100644
--- a/src/Entity/QueueItem.php
+++ b/src/Entity/QueueItem.php
@@ -40,8 +40,8 @@ class QueueItem
     private int $id;
     private $frame;
     private string $transport;
-    private DateTime $created;
-    private ?DateTime $claimed;
+    private \DateTimeInterface $created;
+    private ?\DateTimeInterface $claimed;
 
     public function setId(int $id): self
     {
@@ -73,22 +73,22 @@ class QueueItem
         return $this->transport;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setClaimed(?DateTime $claimed): self
+    public function setClaimed(?\DateTimeInterface $claimed): self
     {
         $this->claimed = $claimed;
         return $this;
     }
-    public function getClaimed(): ?DateTime
+    public function getClaimed(): ?\DateTimeInterface
     {
         return $this->claimed;
     }
diff --git a/src/Entity/RelatedGroup.php b/src/Entity/RelatedGroup.php
index ac24781a68..44a1a6c649 100644
--- a/src/Entity/RelatedGroup.php
+++ b/src/Entity/RelatedGroup.php
@@ -39,7 +39,7 @@ class RelatedGroup
 
     private int $group_id;
     private int $related_group_id;
-    private DateTime $created;
+    private \DateTimeInterface $created;
 
     public function setGroupId(int $group_id): self
     {
@@ -61,12 +61,12 @@ class RelatedGroup
         return $this->related_group_id;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/RememberMe.php b/src/Entity/RememberMe.php
index 579cb3606b..8d86ea4fae 100644
--- a/src/Entity/RememberMe.php
+++ b/src/Entity/RememberMe.php
@@ -39,7 +39,7 @@ class RememberMe
 
     private string $code;
     private int $user_id;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setCode(string $code): self
     {
@@ -61,12 +61,12 @@ class RememberMe
         return $this->user_id;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Reply.php b/src/Entity/Reply.php
index d19bc7f4c3..2defa58078 100644
--- a/src/Entity/Reply.php
+++ b/src/Entity/Reply.php
@@ -39,7 +39,7 @@ class Reply
 
     private int $notice_id;
     private int $profile_id;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
     private ?int $replied_id;
 
     public function setNoticeId(int $notice_id): self
@@ -62,12 +62,12 @@ class Reply
         return $this->profile_id;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/SchemaVersion.php b/src/Entity/SchemaVersion.php
index 74540ccec4..90f8fc9899 100644
--- a/src/Entity/SchemaVersion.php
+++ b/src/Entity/SchemaVersion.php
@@ -39,7 +39,7 @@ class SchemaVersion
 
     private string $table_name;
     private string $checksum;
-    private DateTime $modified;
+    private \DateTimeInterface $modified;
 
     public function setTableName(string $table_name): self
     {
@@ -61,12 +61,12 @@ class SchemaVersion
         return $this->checksum;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Session.php b/src/Entity/Session.php
index 12e75f9bcc..d71d13fd99 100644
--- a/src/Entity/Session.php
+++ b/src/Entity/Session.php
@@ -41,8 +41,8 @@ class Session
 
     private string $id;
     private ?string $session_data;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(string $id): self
     {
@@ -64,22 +64,22 @@ class Session
         return $this->session_data;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/SmsCarrier.php b/src/Entity/SmsCarrier.php
index 4f00172b46..16a4f27902 100644
--- a/src/Entity/SmsCarrier.php
+++ b/src/Entity/SmsCarrier.php
@@ -40,8 +40,8 @@ class SmsCarrier
     private int $id;
     private ?string $name;
     private string $email_pattern;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -73,22 +73,22 @@ class SmsCarrier
         return $this->email_pattern;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/Subscription.php b/src/Entity/Subscription.php
index 333a906b8c..7fe3ec1b43 100644
--- a/src/Entity/Subscription.php
+++ b/src/Entity/Subscription.php
@@ -45,8 +45,8 @@ class Subscription
     private ?string $token;
     private ?string $secret;
     private ?string $uri;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setSubscriber(int $subscriber): self
     {
@@ -118,22 +118,22 @@ class Subscription
         return $this->uri;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/SubscriptionQueue.php b/src/Entity/SubscriptionQueue.php
index b064262d3c..ef985caef7 100644
--- a/src/Entity/SubscriptionQueue.php
+++ b/src/Entity/SubscriptionQueue.php
@@ -39,7 +39,7 @@ class SubscriptionQueue
 
     private int $subscriber;
     private int $subscribed;
-    private DateTime $created;
+    private \DateTimeInterface $created;
 
     public function setSubscriber(int $subscriber): self
     {
@@ -61,12 +61,12 @@ class SubscriptionQueue
         return $this->subscribed;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/Token.php b/src/Entity/Token.php
index 376092fd9f..44544c4e38 100644
--- a/src/Entity/Token.php
+++ b/src/Entity/Token.php
@@ -44,8 +44,8 @@ class Token
     private ?int $state;
     private ?string $verifier;
     private ?string $verified_callback;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setConsumerKey(string $consumer_key): self
     {
@@ -117,22 +117,22 @@ class Token
         return $this->verified_callback;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/UnavailableStatusNetwork.php b/src/Entity/UnavailableStatusNetwork.php
index 486a4f63d7..635f8b9cbc 100644
--- a/src/Entity/UnavailableStatusNetwork.php
+++ b/src/Entity/UnavailableStatusNetwork.php
@@ -38,7 +38,7 @@ class UnavailableStatusNetwork
     // {{{ Autocode
 
     private string $nickname;
-    private DateTime $created;
+    private \DateTimeInterface $created;
 
     public function setNickname(string $nickname): self
     {
@@ -50,12 +50,12 @@ class UnavailableStatusNetwork
         return $this->nickname;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 0f411891a3..ef488c800d 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -60,8 +60,8 @@ class User
     private ?int $subscribe_policy;
     private ?string $urlshorteningservice;
     private ?bool $private_stream;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setId(int $id): self
     {
@@ -293,22 +293,22 @@ class User
         return $this->private_stream;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/UserGroup.php b/src/Entity/UserGroup.php
index c47512896a..cf03ad3d3f 100644
--- a/src/Entity/UserGroup.php
+++ b/src/Entity/UserGroup.php
@@ -48,8 +48,8 @@ class UserGroup
     private ?string $homepage_logo;
     private ?string $stream_logo;
     private ?string $mini_logo;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
     private ?string $uri;
     private ?string $mainpage;
     private ?int $join_policy;
@@ -165,22 +165,22 @@ class UserGroup
         return $this->mini_logo;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/UserImPrefs.php b/src/Entity/UserImPrefs.php
index 8eb4cfe000..3e4dc73f5e 100644
--- a/src/Entity/UserImPrefs.php
+++ b/src/Entity/UserImPrefs.php
@@ -41,8 +41,8 @@ class UserImPrefs
     private bool $notify;
     private bool $replies;
     private bool $updatefrompresence;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setUserId(int $user_id): self
     {
@@ -104,22 +104,22 @@ class UserImPrefs
         return $this->updatefrompresence;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/UserLocationPrefs.php b/src/Entity/UserLocationPrefs.php
index ada69fc3bc..413a86c79d 100644
--- a/src/Entity/UserLocationPrefs.php
+++ b/src/Entity/UserLocationPrefs.php
@@ -37,8 +37,8 @@ class UserLocationPrefs
 
     private int $user_id;
     private ?bool $share_location;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setUserId(int $user_id): self
     {
@@ -60,22 +60,22 @@ class UserLocationPrefs
         return $this->share_location;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/UserUrlshortenerPrefs.php b/src/Entity/UserUrlshortenerPrefs.php
index b513945813..53f6448485 100644
--- a/src/Entity/UserUrlshortenerPrefs.php
+++ b/src/Entity/UserUrlshortenerPrefs.php
@@ -41,8 +41,8 @@ class UserUrlshortenerPrefs
     private ?string $urlshorteningservice;
     private int $maxurllength;
     private int $maxnoticelength;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setUserId(int $user_id): self
     {
@@ -84,22 +84,22 @@ class UserUrlshortenerPrefs
         return $this->maxnoticelength;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }
diff --git a/src/Entity/UserUsername.php b/src/Entity/UserUsername.php
index d90827ba1e..e0d48809a5 100644
--- a/src/Entity/UserUsername.php
+++ b/src/Entity/UserUsername.php
@@ -40,8 +40,8 @@ class UserUsername
     private string $provider_name;
     private string $username;
     private int $user_id;
-    private DateTime $created;
-    private DateTime $modified;
+    private \DateTimeInterface $created;
+    private \DateTimeInterface $modified;
 
     public function setProviderName(string $provider_name): self
     {
@@ -73,22 +73,22 @@ class UserUsername
         return $this->user_id;
     }
 
-    public function setCreated(DateTime $created): self
+    public function setCreated(\DateTimeInterface $created): self
     {
         $this->created = $created;
         return $this;
     }
-    public function getCreated(): DateTime
+    public function getCreated(): \DateTimeInterface
     {
         return $this->created;
     }
 
-    public function setModified(DateTime $modified): self
+    public function setModified(\DateTimeInterface $modified): self
     {
         $this->modified = $modified;
         return $this;
     }
-    public function getModified(): DateTime
+    public function getModified(): \DateTimeInterface
     {
         return $this->modified;
     }