Calendar on Apple Watch not syncing

Since the update to watchOS 10.0.1 and iOS 17.0.2, the calendar on my Apple Watch doesn't sync anymore.

It displays the old appointments, from before the updates. The new and changed items are simply not shown.

Apple Watch Series 5, watchOS 8

Posted on Oct 4, 2023 3:08 AM

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Question marked as Top-ranking reply

Posted on Feb 28, 2024 12:10 PM

After trying everything here, this worked. Also pressing the button gives you no feedback, but the sync happened on my watch about 10 seconds later.


Force sync Calendar data on Apple Watch

  1. Open the Watch app on your iPhone and tap the My Watch tab.
  2. Tap General, then tap Reset.
  3. Tap Reset Sync Data.


If your iCloud Contacts, Calendars or Reminders aren't syncing – Apple Support (UK)


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Calendar on Apple Watch not syncing

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