iPhone Calendar not sending birthday notifications

Resolved. Settings>Apps>Calendar>Calendar Accounts>Fetch New Data = Push, then Fetch for all calendars.

[Edited by Moderator]

Instead of simply saying, “I have all of those settings enabled, but it still doesn’t work,” could you please post screenshots of the relevant settings on your device?

This would help us verify that the settings are configured correctly and identify whether anything has been overlooked. Sometimes, a setting may appear to be enabled, but other related settings or permissions may also need to be configured for the feature to work as expected.

Please share screenshots of the relevant settings pages, ensuring that the options and their current states are clearly visible. If necessary, you can redact any personal information before posting them.

Providing screenshots will help others understand your exact configuration and offer more specific troubleshooting steps rather than suggesting solutions you have already tried. Simply confirming that the settings are enabled does not give us enough information to determine what might be causing the problem.

Make sure Birthdays is selected in Settings > Calendar > Default Alert Times.

Please check which is your Default email Account for the Calendar on your device. Settings > App > Calendar > Default Calendar

All devices sync with an email client server that hosts your calendar if you have an iCloud calendar that will not sync with Google Calendar. Settings > Calendar > Default Calendar [Choose what you want]. What you add (Event) on the iPhone Calendar is synced with the default calendar unless you have chosen a specific calendar at the time of event creation.

To which email account are the calendar events synced with your iPhone? This is not clear in your post

See the iPhone and Mac Calendar Pics below.

Pic1: Push and Fetch Settings

Pic 2: Default Calendar Settings: Which is your default calendar? Settings > Apps > Calendar > Default Calendar

Then please check the following.

• Check your DND status - Settings > Focus [Do Not Disturb]; Use Focus on your iPhone, iPad, or iPod touch - Apple Support
• Check BedTime Status - Clock App; Use Bedtime to track your sleep on your iPhone - Apple Support
• Check your iPhone Sound Volume; Adjust the volume on your iPhone - Apple Support
• Check Call Audio Routing; Call Audio Routing Bluetooth / Speaker / Automatic
• Check Auto Answer Calls; Turn off Auto Answer Calls
• Check the list of Blocked Numbers --> Block phone numbers, contacts, and emails on your iPhone ...

Notification Preview when Screen is Locked, Notification Alerts, Notification OFF, and much more...

1. To get Notifications when the Screen is locked see the pic below which is self-explanatory
   1. 
2. To turn ON notifications selectively for apps, go to Settings > Notifications > Scroll Down to the App and turn ON notifications... Change notification settings on iPhone - Apple Support (IN)
   1. 
3. Some apps have their own notification settings over and above the iOS notification settings: An example of Instagram Notification settings is given below
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4. Help for Notification Alerts --> No Notification Alerts - Apple Community
5. For VIP email Alerts refer to the pic below
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There is nothing called iPhone Calendar on an iPhone. See the pic below for clarity..

On an iPhone, there is no separate account called an “iPhone Calendar Account.” Instead, the Calendar app can display and manage calendars associated with various accounts and services, such as iCloud, Google (Gmail), Yahoo, Microsoft Outlook/Exchange, CalDAV, and corporate or workplace accounts.

The Calendar app is simply the interface through which you view and manage these calendars. The actual calendar data is associated with the respective account or service.

For example:

• iCloud Calendar: Calendars are synchronised through your Apple Account and iCloud.
• Google Calendar: Calendars are synchronised through your Google account.
• Yahoo Calendar: Calendars are associated with your Yahoo account.
• Outlook/Exchange Calendar: Calendars are associated with your Microsoft account or corporate Exchange account.
• CalDAV Calendar: Calendars are synchronised through a compatible CalDAV server.
• Corporate Calendar: Calendars may be provided by your organisation through Microsoft Exchange or another supported calendar service.

You can check which accounts are configured on your iPhone by going to Settings > Apps > Calendar > Calendar Accounts. Depending on your iOS version, the menu labels may vary slightly.

In short, the iPhone's Calendar app is not itself a calendar account. It is an app that provides access to calendars associated with the accounts you have configured on your device.

What I don’t understand is how it just stopped working last year. I didn’t change any settings. It just stopped working. I have birthdays set up in my contacts. They appear on the calendar app. But no notifications. I keep missing sending texts for birthdays. Same thing happened to my mother’s iPhone and she never goes into settings since she’s not very tech savvy.

Looking through the discussions apparently many others have the same issue.

I have all of those settings. Still doesn’t work

My default calendar is the iPhone calendar. I do not have Gmail.

These are the same settings I have. The notifications worked a year ago but somewhere along the line they stopped. On my 15 pro and now on my 18 pro.

The only calendar account I have, and have always only had, is my iCloud account. None of the other accounts you listed.

[Edited by Moderator]

Still not working

I guess no one has a solution