diff --git a/TODO b/TODO
index c5b5e090..b1bb6ccd 100644
--- a/TODO
+++ b/TODO
@@ -48,10 +48,8 @@ everything related to posts:
             - order:time
             - order:score
             - order:comment_count
-            - order:fav_count
             - order:tag_count
             - order:comment_time
-            - order:fav_time
             - order:file_size
             - order:random (at least unstable version)
 
diff --git a/src/Dao/EntityConverters/FavoriteEntityConverter.php b/src/Dao/EntityConverters/FavoriteEntityConverter.php
index 41522ba4..eaf0b7d9 100644
--- a/src/Dao/EntityConverters/FavoriteEntityConverter.php
+++ b/src/Dao/EntityConverters/FavoriteEntityConverter.php
@@ -10,6 +10,7 @@ class FavoriteEntityConverter extends AbstractEntityConverter implements IEntity
 			'id' => $entity->getId(),
 			'userId' => $entity->getUserId(),
 			'postId' => $entity->getPostId(),
+			'time' => $entity->getTime(),
 		];
 	}
 
@@ -18,6 +19,7 @@ class FavoriteEntityConverter extends AbstractEntityConverter implements IEntity
 		$entity = new \Szurubooru\Entities\Favorite($array['id']);
 		$entity->setUserId($array['userId']);
 		$entity->setPostId($array['postId']);
+		$entity->setTime($array['time']);
 		return $entity;
 	}
 }
diff --git a/src/Entities/Favorite.php b/src/Entities/Favorite.php
index af9f0421..918b8877 100644
--- a/src/Entities/Favorite.php
+++ b/src/Entities/Favorite.php
@@ -5,6 +5,7 @@ class Favorite extends Entity
 {
 	private $postId;
 	private $userId;
+	private $time;
 
 	const LAZY_LOADER_USER = 'user';
 	const LAZY_LOADER_POST = 'post';
@@ -29,6 +30,16 @@ class Favorite extends Entity
 		$this->postId = $postId;
 	}
 
+	public function getTime()
+	{
+		return $this->time;
+	}
+
+	public function setTime($time)
+	{
+		$this->time = $time;
+	}
+
 	public function getUser()
 	{
 		return $this->lazyLoad(self::LAZY_LOADER_USER, null);
diff --git a/src/SearchServices/Filters/PostFilter.php b/src/SearchServices/Filters/PostFilter.php
index e641f669..da5216e8 100644
--- a/src/SearchServices/Filters/PostFilter.php
+++ b/src/SearchServices/Filters/PostFilter.php
@@ -3,6 +3,9 @@ namespace Szurubooru\SearchServices\Filters;
 
 class PostFilter extends BasicFilter implements IFilter
 {
+	const ORDER_FAV_TIME = 'lastFavTime';
+	const ORDER_FAV_COUNT = 'favCount';
+
 	const REQUIREMENT_TAG = 'tag';
 	const REQUIREMENT_ID = 'id';
 	const REQUIREMENT_DATE = 'uploadTime';
diff --git a/src/SearchServices/Parsers/PostSearchParser.php b/src/SearchServices/Parsers/PostSearchParser.php
index 418550af..00c44251 100644
--- a/src/SearchServices/Parsers/PostSearchParser.php
+++ b/src/SearchServices/Parsers/PostSearchParser.php
@@ -64,6 +64,12 @@ class PostSearchParser extends AbstractSearchParser
 
 	protected function getOrderColumn($token)
 	{
+		if ($token === 'fav_time')
+			return \Szurubooru\SearchServices\Filters\PostFilter::ORDER_FAV_TIME;
+
+		elseif ($token === 'fav_count')
+			return \Szurubooru\SearchServices\Filters\PostFilter::ORDER_FAV_COUNT;
+
 		throw new \BadMethodCallException('Not supported');
 	}
 
diff --git a/src/Services/FavoritesService.php b/src/Services/FavoritesService.php
index c8ccdae1..773befc0 100644
--- a/src/Services/FavoritesService.php
+++ b/src/Services/FavoritesService.php
@@ -6,15 +6,18 @@ class FavoritesService
 	private $favoritesDao;
 	private $userDao;
 	private $transactionManager;
+	private $timeService;
 
 	public function __construct(
 		\Szurubooru\Dao\FavoritesDao $favoritesDao,
 		\Szurubooru\Dao\UserDao $userDao,
-		\Szurubooru\Dao\TransactionManager $transactionManager)
+		\Szurubooru\Dao\TransactionManager $transactionManager,
+		\Szurubooru\Services\TimeService $timeService)
 	{
 		$this->favoritesDao = $favoritesDao;
 		$this->userDao = $userDao;
 		$this->transactionManager = $transactionManager;
+		$this->timeService = $timeService;
 	}
 
 	public function getFavoriteUsers(\Szurubooru\Entities\Post $post)
@@ -42,6 +45,7 @@ class FavoritesService
 				$favorite = new \Szurubooru\Entities\Favorite();
 				$favorite->setUser($user);
 				$favorite->setPost($post);
+				$favorite->setTime($this->timeService->getCurrentTime());
 				$this->favoritesDao->save($favorite);
 			}
 		};
diff --git a/src/Upgrades/Upgrade10.php b/src/Upgrades/Upgrade10.php
index e1bca36b..1815f49a 100644
--- a/src/Upgrades/Upgrade10.php
+++ b/src/Upgrades/Upgrade10.php
@@ -8,12 +8,14 @@ class Upgrade10 implements IUpgrade
 		$pdo = $databaseConnection->getPDO();
 
 		$pdo->exec('ALTER TABLE posts ADD COLUMN favCount INTEGER NOT NULL DEFAULT 0');
+		$pdo->exec('ALTER TABLE posts ADD COLUMN lastFavTime TIMESTAMP');
 
 		$pdo->exec('CREATE TABLE favorites
 			(
 				id INTEGER PRIMARY KEY NOT NULL,
 				userId INTEGER NOT NULL,
 				postId INTEGER NOT NULL,
+				time TIMESTAMP NOT NULL,
 				UNIQUE (userId, postId)
 			)');
 
@@ -22,6 +24,11 @@ class Upgrade10 implements IUpgrade
 			FOR EACH ROW
 			BEGIN
 				UPDATE posts SET favCount = favCount - 1 WHERE posts.id = OLD.postId;
+
+				UPDATE posts SET lastFavTime = (
+					SELECT MAX(time) FROM favorites
+					WHERE favorites.postId = posts.id)
+					WHERE posts.id = OLD.postId;
 			END');
 
 		$pdo->exec('
@@ -29,6 +36,11 @@ class Upgrade10 implements IUpgrade
 			FOR EACH ROW
 			BEGIN
 				UPDATE posts SET favCount = favCount + 1 WHERE posts.id = NEW.postId;
+
+				UPDATE posts SET lastFavTime = (
+					SELECT MAX(time) FROM favorites
+					WHERE favorites.postId = posts.id)
+					WHERE posts.id = NEW.postId;
 			END');
 
 		$pdo->exec('
@@ -36,7 +48,12 @@ class Upgrade10 implements IUpgrade
 			FOR EACH ROW
 			BEGIN
 				UPDATE posts SET favCount = favCount + 1 WHERE posts.id = NEW.postId;
-				UPDATE posts SET favCount = favCount - 1 WHERE posts.id = NEW.postId;
+				UPDATE posts SET favCount = favCount - 1 WHERE posts.id = OLD.postId;
+
+				UPDATE posts SET lastFavTime = (
+					SELECT MAX(time) FROM favorites
+					WHERE favorites.postId = posts.id)
+					WHERE posts.id IN (OLD.postId, NEW.postId);
 			END');
 	}
 }
diff --git a/tests/Dao/FavoritesDaoTest.php b/tests/Dao/FavoritesDaoTest.php
index 1f8229c7..68bc57b3 100644
--- a/tests/Dao/FavoritesDaoTest.php
+++ b/tests/Dao/FavoritesDaoTest.php
@@ -24,6 +24,7 @@ class FavoritesDaoTest extends \Szurubooru\Tests\AbstractDatabaseTestCase
 		$favorite = new \Szurubooru\Entities\Favorite();
 		$favorite->setUser($user);
 		$favorite->setPost($post);
+		$favorite->setTime('whatever');
 		$favoritesDao = $this->getFavoritesDao();
 		$favoritesDao->save($favorite);
 
@@ -33,6 +34,7 @@ class FavoritesDaoTest extends \Szurubooru\Tests\AbstractDatabaseTestCase
 		$savedFavorite = $favoritesDao->findById($favorite->getId());
 		$this->assertEquals(1, $savedFavorite->getUserId());
 		$this->assertEquals(2, $savedFavorite->getPostId());
+		$this->assertEquals('whatever', $savedFavorite->getTime());
 		$this->assertEntitiesEqual($user, $savedFavorite->getUser());
 		$this->assertEntitiesEqual($post, $savedFavorite->getPost());
 	}
@@ -47,14 +49,17 @@ class FavoritesDaoTest extends \Szurubooru\Tests\AbstractDatabaseTestCase
 		$fav1 = new \Szurubooru\Entities\Favorite();
 		$fav1->setUser($user1);
 		$fav1->setPost($post1);
+		$fav1->setTime('time1');
 
 		$fav2 = new \Szurubooru\Entities\Favorite();
 		$fav2->setUser($user2);
 		$fav2->setPost($post2);
+		$fav2->setTime('time2');
 
 		$fav3 = new \Szurubooru\Entities\Favorite();
 		$fav3->setUser($user1);
 		$fav3->setPost($post2);
+		$fav3->setTime('time3');
 
 		$favoritesDao = $this->getFavoritesDao();
 		$favoritesDao->save($fav1);
diff --git a/tests/Services/FavoritesServiceTest.php b/tests/Services/FavoritesServiceTest.php
index 96ba936b..d4ac3300 100644
--- a/tests/Services/FavoritesServiceTest.php
+++ b/tests/Services/FavoritesServiceTest.php
@@ -6,6 +6,7 @@ final class FavoritesServiceTest extends \Szurubooru\Tests\AbstractTestCase
 	private $favoritesDaoMock;
 	private $userDaoMock;
 	private $transactionManagerMock;
+	private $timeServiceMock;
 
 	public function setUp()
 	{
@@ -13,6 +14,7 @@ final class FavoritesServiceTest extends \Szurubooru\Tests\AbstractTestCase
 		$this->favoritesDaoMock = $this->mock(\Szurubooru\Dao\FavoritesDao::class);
 		$this->userDaoMock = $this->mock(\Szurubooru\Dao\UserDao::class);
 		$this->transactionManagerMock = $this->mockTransactionManager();
+		$this->timeServiceMock = $this->mock(\Szurubooru\Services\TimeService::class);
 	}
 
 	public function testAddingExisting()
@@ -78,6 +80,7 @@ final class FavoritesServiceTest extends \Szurubooru\Tests\AbstractTestCase
 		return new \Szurubooru\Services\FavoritesService(
 			$this->favoritesDaoMock,
 			$this->userDaoMock,
-			$this->transactionManagerMock);
+			$this->transactionManagerMock,
+			$this->timeServiceMock);
 	}
 }