My "Home" calendar only appears on my Mac and not the Cloud even though "Home" is checked in all places.

Only calendars in the iCloud account will sync with iCloud. You need to move the appointments to such a calendar.

1. (unless you already have one) Create a new empty calendar from the iCal file menu, select which account you want to create it in.
2. If you have only a few appointments you can move them individually by editing them and changing the calendar in the edit options.
3. Alternatively you can copy all the appointments in one calendar to another and delete the original.
4. To copy a calendar ctrl-click on it from the menu that appears when you select the calendar button (top left corner of iCal) and choose export (export it to your desktop for ease)
5. Double click the exported file and choose the new empty calendar to import them into.
6. Ctrl-click on the original calendar from the menu that appears when you select the calendar button and choose delete.

Yes, in fact if you have no use for 'On My Mac' calendars, you may wish to delete them. You may also wish to make sure your iCloud calendar is set as the default calendar in your calendar preferences.

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