diff --git a/src/Platforms/PostgreSQLPlatform.php b/src/Platforms/PostgreSQLPlatform.php
index 3364838488b..e5a953247d7 100644
--- a/src/Platforms/PostgreSQLPlatform.php
+++ b/src/Platforms/PostgreSQLPlatform.php
@@ -1088,7 +1088,14 @@ public function getGuidTypeDeclarationSQL(array $column)
      */
     public function getDateTimeTypeDeclarationSQL(array $column)
     {
-        return 'TIMESTAMP(0) WITHOUT TIME ZONE';
+        $precision = 0;
+        if (isset($column['precision'])) {
+            if ($column['precision'] >= 0 && $column['precision'] <= 6) {
+                $precision = $column['precision'];
+            }
+        }
+
+        return sprintf('TIMESTAMP(%d) WITHOUT TIME ZONE', $precision);
     }
 
     /**
@@ -1096,7 +1103,14 @@ public function getDateTimeTypeDeclarationSQL(array $column)
      */
     public function getDateTimeTzTypeDeclarationSQL(array $column)
     {
-        return 'TIMESTAMP(0) WITH TIME ZONE';
+        $precision = 0;
+        if (isset($column['precision'])) {
+            if ($column['precision'] >= 0 && $column['precision'] <= 6) {
+                $precision = $column['precision'];
+            }
+        }
+
+        return sprintf('TIMESTAMP(%d) WITH TIME ZONE', $precision);
     }
 
     /**
@@ -1112,7 +1126,14 @@ public function getDateTypeDeclarationSQL(array $column)
      */
     public function getTimeTypeDeclarationSQL(array $column)
     {
-        return 'TIME(0) WITHOUT TIME ZONE';
+        $precision = 0;
+        if (isset($column['precision'])) {
+            if ($column['precision'] >= 0 && $column['precision'] <= 6) {
+                $precision = $column['precision'];
+            }
+        }
+
+        return sprintf('TIME(%d) WITHOUT TIME ZONE', $precision);
     }
 
     /**
@@ -1167,7 +1188,15 @@ public function getName()
      */
     public function getDateTimeTzFormatString()
     {
-        return 'Y-m-d H:i:sO';
+        return 'Y-m-d H:i:s.uO';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateTimeFormatString()
+    {
+        return 'Y-m-d H:i:s.u';
     }
 
     /**
diff --git a/tests/Platforms/PostgreSQLPlatformTest.php b/tests/Platforms/PostgreSQLPlatformTest.php
index 614eb45f8f7..45bd32ac7a8 100644
--- a/tests/Platforms/PostgreSQLPlatformTest.php
+++ b/tests/Platforms/PostgreSQLPlatformTest.php
@@ -2,6 +2,7 @@
 
 namespace Doctrine\DBAL\Tests\Platforms;
 
+use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Platforms\PostgreSQLPlatform;
 use Doctrine\DBAL\Schema\Column;
@@ -14,6 +15,7 @@
 use Doctrine\DBAL\TransactionIsolationLevel;
 use Doctrine\DBAL\Types\Type;
 use Doctrine\DBAL\Types\Types;
+use Generator;
 use UnexpectedValueException;
 
 use function sprintf;
@@ -1069,4 +1071,66 @@ public function testInitializesJsonTypeMapping(): void
         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('jsonb'));
         self::assertEquals(Types::JSON, $this->platform->getDoctrineTypeMapping('jsonb'));
     }
+
+    /**
+     * @param array{precision?: int} $column
+     *
+     * @dataProvider dataProviderGetDateTimeTz
+     */
+    public function testGetDateTimeTzTypeDeclarationSQL(string $assert, array $column): void
+    {
+        $this->assertSame($assert, $this->platform->getDateTimeTzTypeDeclarationSQL($column));
+    }
+
+    public function dataProviderGetDateTimeTz(): Generator
+    {
+        yield ['TIMESTAMP(0) WITH TIME ZONE', []];
+        yield ['TIMESTAMP(0) WITH TIME ZONE', ['precision' => -5]];
+        yield ['TIMESTAMP(0) WITH TIME ZONE', ['precision' => 15]];
+        yield ['TIMESTAMP(0) WITH TIME ZONE', ['precision' => 0]];
+        yield ['TIMESTAMP(3) WITH TIME ZONE', ['precision' => 3]];
+        yield ['TIMESTAMP(6) WITH TIME ZONE', ['precision' => 6]];
+    }
+
+    /**
+     * @param array{precision?: int} $column
+     *
+     * @dataProvider dataProviderGetDateTime
+     */
+    public function testGetDateTimeTypeDeclarationSQL(string $assert, array $column): void
+    {
+        $this->assertSame($assert, $this->platform->getDateTimeTypeDeclarationSQL($column));
+    }
+
+    public function dataProviderGetDateTime(): Generator
+    {
+        yield ['TIMESTAMP(0) WITHOUT TIME ZONE', []];
+        yield ['TIMESTAMP(0) WITHOUT TIME ZONE', ['precision' => -5]];
+        yield ['TIMESTAMP(0) WITHOUT TIME ZONE', ['precision' => 15]];
+        yield ['TIMESTAMP(0) WITHOUT TIME ZONE', ['precision' => 0]];
+        yield ['TIMESTAMP(3) WITHOUT TIME ZONE', ['precision' => 3]];
+        yield ['TIMESTAMP(6) WITHOUT TIME ZONE', ['precision' => 6]];
+    }
+
+    /**
+     * @param array{precision?: int} $column
+     *
+     * @throws Exception
+     *
+     * @dataProvider dataProviderGetTime
+     */
+    public function testFetTimeTypeDeclarationSQL(string $assert, array $column): void
+    {
+        $this->assertSame($assert, $this->platform->getTimeTypeDeclarationSQL($column));
+    }
+
+    public function dataProviderGetTime(): Generator
+    {
+        yield ['TIME(0) WITHOUT TIME ZONE', []];
+        yield ['TIME(0) WITHOUT TIME ZONE', ['precision' => -5]];
+        yield ['TIME(0) WITHOUT TIME ZONE', ['precision' => 15]];
+        yield ['TIME(0) WITHOUT TIME ZONE', ['precision' => 0]];
+        yield ['TIME(3) WITHOUT TIME ZONE', ['precision' => 3]];
+        yield ['TIME(6) WITHOUT TIME ZONE', ['precision' => 6]];
+    }
 }