iCal Alerts

Hello there, JDIX5165.

It sounds like you are seeing repeating calendar holidays on your Calendar application on your Mac and are wondering if it's related to iCloud. The following Knowledge Base article offers up some great and in-depth troubleshooting to determine just that:

iCloud: Advanced Calendar and iCal troubleshooting

If you follow the steps and troubleshooting methods discussed in this article, you should be able to resolve most issues with iCloud Calendar.

If after following those methods, you still have issues in Calendar (or iCal) that you know are related to your calendar data itself, the article below discusses additional steps you can take. You should avoid using the steps in this article unless you have:

1. Verified the issues that you are seeing are specific to your calendar data and your Mac.
2. You've tried all the troubleshooting methods discussed in Get help using iCloud Calendar.

You should perform the steps in this article from your computer with the most up-to-date calendar data.

Note: Remember to test to see if the issue you are experiencing still occurs after these steps.

To clean up your iCloud Calendar data:

Analyze the state of your calendar data

Back up your Calendars & Reminders data

Temporarily disable any non-Apple calendar accounts

Turn off iCloud Calendar

Import any calendars you wish to use with iCloud

Remove unusable and duplicate Events

Clean up Birthdays or use the Birthday Calendar

Back up your calendar data (again)

Re-enable iCloud Calendar

Thanks for reaching out to Apple Support Communities.

Kind Regards.