I'm using El Capitan, and I went to my Mac to check my calendar (which is sync'ed to iCloud). I needed to check the details of an appointment I had 3 years ago. I went back, opened that month, and I saw all my entries. And then after a second, they vanished.

Why did this happen, and how can I stop this from happening?

And, can I use Time Machine to retrieve my old Calendar entries?

  • Are you connected with iCloud? – Rushil Srivastava Dec 16 '16 at 1:07
  • @RushilSrivastava yes – kal-al Dec 16 '16 at 1:07
  • This is a very weird issue, have you tried restarting the computer? If not try toggling off/on on iCloud Calendar Sync. Apple doesn't 'delete' your calendar records. – Rushil Srivastava Dec 16 '16 at 6:31
  • Try to see your events here: icloud.com/calendar – Denis Rasulev Dec 16 '16 at 7:31
  • @RushilSrivastava Interesting. But in the past were there options (possibly only on iOS) to delete old entries? I will have to see in the morning if those old entries have returned, in which case I may end up closing the question. I just checked on my iPhone (what I'm using to type this) and indeed those old entries are all happily there. – kal-al Dec 16 '16 at 7:45

The problem is resolved.

On my iPhone, all the old entries were still there. But restarting the Mac and going to Calendar again, the same thing happened: The old items displayed and disappeared. However, disabling the iCloud calendar and then re-enabling sync for my iCloud calendars appears to have caused the problem to resolve.

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