diff --git a/src/Entries/Entry.php b/src/Entries/Entry.php
index 0b158daeda..24838c8cd4 100644
--- a/src/Entries/Entry.php
+++ b/src/Entries/Entry.php
@@ -32,7 +32,7 @@
 use Statamic\Facades\Collection;
 use Statamic\Facades\Site;
 use Statamic\Facades\Stache;
-use Statamic\Fields\Value;
+use Statamic\Facades\User;
 use Statamic\GraphQL\ResolvesValues;
 use Statamic\Revisions\Revisable;
 use Statamic\Routing\Routable;
@@ -340,6 +340,27 @@ public function save()
                 });
         }
 
+        if (! $isNew && $this->collection()->dated()) {
+            $date = $this->date();
+
+            $this->descendants()->each(function ($entry) use ($date) {
+                if ($entry->date()->eq($date)) {
+                    return;
+                }
+
+                $entry->date($date);
+
+                if ($entry->revisionsEnabled() && $entry->published()) {
+                    $entry
+                        ->makeWorkingCopy()
+                        ->user(User::current())
+                        ->save();
+                } else {
+                    $entry->updateLastModified(User::current())->save();
+                }
+            });
+        }
+
         return true;
     }
 
diff --git a/tests/Data/Entries/EntryTest.php b/tests/Data/Entries/EntryTest.php
index 805a1d0517..aaf009bd10 100644
--- a/tests/Data/Entries/EntryTest.php
+++ b/tests/Data/Entries/EntryTest.php
@@ -847,6 +847,23 @@ public function it_gets_and_sets_the_date_for_date_collections()
         $this->assertTrue($dateEntry->hasTime());
     }
 
+    /** @test */
+    public function it_copies_a_changed_date_to_its_descendants()
+    {
+        $collection = tap(Collection::make('dated')->dated(true))->save();
+
+        $origin = (new Entry)->collection('dated')->id('origin')->date('2022-09-06');
+        $origin->save();
+        $descendant = (new Entry)->collection('dated')->id('descendant')->date('2022-09-06')->origin($origin);
+        $descendant->save();
+
+        $this->assertTrue(Carbon::createFromFormat('Y-m-d H:i', '2022-09-06 00:00')->eq($descendant->date()));
+
+        $origin->date('2022-09-08')->save();
+
+        $this->assertTrue(Carbon::createFromFormat('Y-m-d H:i', '2022-09-08 00:00')->eq($descendant->date()));
+    }
+
     /** @test */
     public function future_dated_entries_are_private_when_configured_in_the_collection()
     {