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Yesterday I installed Mac OS X 10.7.2, iOS5, and set up my account. I entered my iCloud details in System Preferences in Mac OS X, and in Settings on iOS. In both places, I set calendar syncing to “On”

However, I just created a test event in iCal, and it didn’t sync to or iOS. Events created on iOS sync to iCloud and iCal just fine.

What’s going on?

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Everything on my iCloud is now double synced on my iCal but it still doesn't go the other way. iCal events don't show up on iCloud. – user13467 Nov 9 '11 at 19:25
@Sarah: did you set your default calendar in iCal preferences to one of your iCloud calendars? – Paul D. Waite Nov 9 '11 at 20:28
up vote 2 down vote accepted

It turns out I had to:

  1. Add my iCloud account to iCal, in iCal > Preferences > Accounts.

  2. Set my default calendar to one of my iCloud calendars, in iCal > Preferences > General.

See e.g.

It seems a bit strange that I had to do this manually — you’d think just turning on Calendar syncing in the iCloud preference pane would do it.

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Not everybody wants everything synced "to the cloud" – EmmEff Oct 14 '11 at 14:03
@EmmEff: sure. I think iCal is preserving my existing calendars on my Mac, and has created copies of them on iCloud. As long as I set iCal to edit the iCloud calendars, everything gets synced. – Paul D. Waite Oct 14 '11 at 14:31
@EmmEff: And as you say, the way it’s set up means I can still maintain other calendars within iCal that don’t touch iCloud. – Paul D. Waite Oct 14 '11 at 14:38
I ended up having some calendar strangeness as well and re setup everything to make sure it was correct. – EmmEff Oct 14 '11 at 15:09
@EmmEff: yeah, I got a bunch of duplicate events (or it seemed like I did). Syncing is hard. – Paul D. Waite Oct 14 '11 at 15:25

I changed my "Refresh" settings in iCal preferences from "push" to "every five minutes." For some reason, this got things moving again and started syncing.

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