Q: How to synchronise my calendar on my IPhone and Ipad

Hello DanielleP,

Sorry to hear you are having these issues with your devices. I also apologize, I'm a bit unclear on your current configuration. If you are having issues syncing your calendar data between your iPhone and your iPad using iCloud Calendar, you may find the troubleshooting steps outlined in the following article helpful:

Get help using iCloud Calendar - Apple Support

Cheers