diff --git a/packages/react-native/Libraries/PushNotificationIOS/NativePushNotificationManagerIOS.js b/packages/react-native/Libraries/PushNotificationIOS/NativePushNotificationManagerIOS.js
index 102ce795e77a04..6d83970816aec8 100644
--- a/packages/react-native/Libraries/PushNotificationIOS/NativePushNotificationManagerIOS.js
+++ b/packages/react-native/Libraries/PushNotificationIOS/NativePushNotificationManagerIOS.js
@@ -23,14 +23,20 @@ type Notification = {|
   // Actual type: string | number
   +fireDate?: ?number,
   +alertBody?: ?string,
-  +alertAction?: ?string,
   +userInfo?: ?Object,
   +category?: ?string,
   // Actual type: 'year' | 'month' | 'week' | 'day' | 'hour' | 'minute'
   +repeatInterval?: ?string,
   +applicationIconBadgeNumber?: ?number,
   +isSilent?: ?boolean,
+  /**
+   * Custom notification sound to play. Write-only: soundName will be null when
+   * accessing already created notifications using getScheduledLocalNotifications
+   * or getDeliveredNotifications.
+   */
   +soundName?: ?string,
+  /** DEPRECATED. This was used for iOS's legacy UILocalNotification. */
+  +alertAction?: ?string,
 |};
 
 export interface Spec extends TurboModule {
diff --git a/packages/react-native/Libraries/PushNotificationIOS/RCTPushNotificationManager.mm b/packages/react-native/Libraries/PushNotificationIOS/RCTPushNotificationManager.mm
index 6237cfdaec384f..eb6e631a50f052 100644
--- a/packages/react-native/Libraries/PushNotificationIOS/RCTPushNotificationManager.mm
+++ b/packages/react-native/Libraries/PushNotificationIOS/RCTPushNotificationManager.mm
@@ -69,6 +69,10 @@ + (UILocalNotification *)UILocalNotification:(id)json
   return notification;
 }
 
+@end
+
+@implementation RCTConvert (UIBackgroundFetchResult)
+
 RCT_ENUM_CONVERTER(
     UIBackgroundFetchResult,
     (@{
@@ -89,6 +93,7 @@ @implementation RCTPushNotificationManager
 
 #if !TARGET_OS_UIKITFORMAC
 
+/** DEPRECATED. UILocalNotification was deprecated in iOS 10. Please don't add new callsites. */
 static NSDictionary *RCTFormatLocalNotification(UILocalNotification *notification)
 {
   NSMutableDictionary *formattedLocalNotification = [NSMutableDictionary dictionary];
@@ -108,27 +113,56 @@ @implementation RCTPushNotificationManager
   return formattedLocalNotification;
 }
 
-static NSDictionary *RCTFormatUNNotification(UNNotification *notification)
+/** For delivered notifications */
+static NSDictionary<NSString *, id> *RCTFormatUNNotification(UNNotification *notification)
 {
-  NSMutableDictionary *formattedNotification = [NSMutableDictionary dictionary];
-  UNNotificationContent *content = notification.request.content;
+  NSMutableDictionary *formattedLocalNotification = [NSMutableDictionary dictionary];
+  if (notification.date) {
+    formattedLocalNotification[@"fireDate"] = RCTFormatNotificationDateFromNSDate(notification.date);
+  }
+  [formattedLocalNotification addEntriesFromDictionary:RCTFormatUNNotificationContent(notification.request.content)];
+  return formattedLocalNotification;
+}
 
-  formattedNotification[@"identifier"] = notification.request.identifier;
+/** For scheduled notification requests */
+static NSDictionary<NSString *, id> *RCTFormatUNNotificationRequest(UNNotificationRequest *request)
+{
+  NSMutableDictionary *formattedLocalNotification = [NSMutableDictionary dictionary];
+  if (request.trigger) {
+    NSDate *triggerDate = nil;
+    if ([request.trigger isKindOfClass:[UNTimeIntervalNotificationTrigger class]]) {
+      triggerDate = [(UNTimeIntervalNotificationTrigger *)request.trigger nextTriggerDate];
+    } else if ([request.trigger isKindOfClass:[UNCalendarNotificationTrigger class]]) {
+      triggerDate = [(UNCalendarNotificationTrigger *)request.trigger nextTriggerDate];
+    }
 
-  if (notification.date) {
-    NSDateFormatter *formatter = [NSDateFormatter new];
-    [formatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ"];
-    NSString *dateString = [formatter stringFromDate:notification.date];
-    formattedNotification[@"date"] = dateString;
+    if (triggerDate) {
+      formattedLocalNotification[@"fireDate"] = RCTFormatNotificationDateFromNSDate(triggerDate);
+    }
   }
+  [formattedLocalNotification addEntriesFromDictionary:RCTFormatUNNotificationContent(request.content)];
+  return formattedLocalNotification;
+}
 
-  formattedNotification[@"title"] = RCTNullIfNil(content.title);
-  formattedNotification[@"body"] = RCTNullIfNil(content.body);
-  formattedNotification[@"category"] = RCTNullIfNil(content.categoryIdentifier);
-  formattedNotification[@"thread-id"] = RCTNullIfNil(content.threadIdentifier);
-  formattedNotification[@"userInfo"] = RCTNullIfNil(RCTJSONClean(content.userInfo));
+static NSDictionary<NSString *, id> *RCTFormatUNNotificationContent(UNNotificationContent *content)
+{
+  // Note: soundName is not set because this can't be read from UNNotificationSound.
+  // Note: alertAction is no longer relevant with UNNotification
+  NSMutableDictionary *formattedLocalNotification = [NSMutableDictionary dictionary];
+  formattedLocalNotification[@"alertTitle"] = RCTNullIfNil(content.title);
+  formattedLocalNotification[@"alertBody"] = RCTNullIfNil(content.body);
+  formattedLocalNotification[@"userInfo"] = RCTNullIfNil(RCTJSONClean(content.userInfo));
+  formattedLocalNotification[@"category"] = content.categoryIdentifier;
+  formattedLocalNotification[@"applicationIconBadgeNumber"] = content.badge;
+  formattedLocalNotification[@"remote"] = @NO;
+  return formattedLocalNotification;
+}
 
-  return formattedNotification;
+static NSString *RCTFormatNotificationDateFromNSDate(NSDate *date)
+{
+  NSDateFormatter *formatter = [NSDateFormatter new];
+  [formatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ"];
+  return [formatter stringFromDate:date];
 }
 
 #endif // TARGET_OS_UIKITFORMAC
@@ -495,12 +529,14 @@ - (void)handleRemoteNotificationRegistrationError:(NSNotification *)notification
 
 RCT_EXPORT_METHOD(getScheduledLocalNotifications : (RCTResponseSenderBlock)callback)
 {
-  NSArray<UILocalNotification *> *scheduledLocalNotifications = RCTSharedApplication().scheduledLocalNotifications;
-  NSMutableArray<NSDictionary *> *formattedScheduledLocalNotifications = [NSMutableArray new];
-  for (UILocalNotification *notification in scheduledLocalNotifications) {
-    [formattedScheduledLocalNotifications addObject:RCTFormatLocalNotification(notification)];
-  }
-  callback(@[ formattedScheduledLocalNotifications ]);
+  UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
+  [center getPendingNotificationRequestsWithCompletionHandler:^(NSArray<UNNotificationRequest *> *_Nonnull requests) {
+    NSMutableArray<NSDictionary *> *formattedScheduledLocalNotifications = [NSMutableArray new];
+    for (UNNotificationRequest *request in requests) {
+      [formattedScheduledLocalNotifications addObject:RCTFormatUNNotificationRequest(request)];
+    }
+    callback(@[ formattedScheduledLocalNotifications ]);
+  }];
 }
 
 RCT_EXPORT_METHOD(removeAllDeliveredNotifications)