Calendar birthdays off by one day

I guess this has been a pretty common problem, but I'm wondering if anyone has found a solution (other than to manually re-input birthdays)? Here's the specifics on my situation.
My wife and I each got an iphone last month and we each have the latest version of IOS 5. I put quite a few birthdays in my contacts list and they showed up fine on my calendar. I shared my contacts with my wife using Bump. The birthdays show up correctly in her Contacts information - but some of them (and only some, not all) show up on her calendar a day early. We tried doing a reset of her phone to repopulate the calendar birthdays from the contact info, but that didn't make any difference. Neither of us has Timezone Support turned on.
Anybody have a solution?

(1) If your iPhone is syncing contacts with iCloud, turn it off. In Settings on your iPhone, Mail,Contacts,Calendars, Accounts, iCloud, turn off Contacts.
(2) sync your iPhone to iTunes.
(3) now select the ‘Info’ tab in iTunes for your iPhone. Ensure that ‘Sync Address Book Contacts’ is ticked. (You can revert to syncing with iCloud later, after this process is complete.)
(4) scroll to the very bottom section of the Info tab. Where it says ‘Replace information on this iPhone’, select ‘Contacts’.
(5) Sync again.
Now check Calendars on iPhone, this process ‘fixes’ the information of birth dates and they should now appear correctly.

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ICal Timezone support - Birthday off by one day.

I always used iCal's timezone support. I had it on since day one I got my computer running. I have been using the birthday calendar function for all my address book contacts' birthdays as well.
I have just moved from Vancouver (GMT -7) to Japan (GMT +9), and now all my contact's birthday is off by one day. I tried turning off the iCal timezone support but not much happened.
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I've had this same issue 2 times now (I'm also on the same setup as you).
What has worked for me is the workaround listed here:
http://www.macosxhints.com/article.php?story=20070313180838582
To simplify, copy the script shown in the last post into a text file called:
correctBirthdays (no file extension such as .txt is necessary)
and save it into your home directory. Once you've done that:
1. Back up your Address Book with the 'File > Back up Address Book...' menu item
2. Open the Terminal application
3. In Terminal, type *chmod 755 correctBirthdays* to make the script executable.
4. Type *./correctBirthdays -1* and hit enter. If you're coming back from Japan, you'll want to use 1 instead of -1 to move the birthdays forward instead of back a day.
5. That's it. Terminal will report how many birthdays were corrected.
I'm guessing that this problem has been fixed in Mac OS X 10.5 Leopard, and that's why musicale can't reproduce the issue.
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(and I take no responsibility if you mess something up! It should work though.)
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Calendar entry off by one day

Hi
I have a weird problem, I have one calendar in which the entries are off by one day only on my iphone, they are correct on my ical where I enter them and also on icloud website calendar but NOT on the iphone. They show as all day events on the iphone exactly one day prior to when they should be displayed. Any thoughts?

(1) If your iPhone is syncing contacts with iCloud, turn it off. In Settings on your iPhone, Mail,Contacts,Calendars, Accounts, iCloud, turn off Contacts.
(2) sync your iPhone to iTunes.
(3) now select the ‘Info’ tab in iTunes for your iPhone. Ensure that ‘Sync Address Book Contacts’ is ticked. (You can revert to syncing with iCloud later, after this process is complete.)
(4) scroll to the very bottom section of the Info tab. Where it says ‘Replace information on this iPhone’, select ‘Contacts’.
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Couldn't find this so started a new discussion, with the "fix" that Tech Support helped me figure out.
(Then I discovered I could find my discussions using "My Stuff" at the top of the page. LOL)
Here's a link to my new post with steps for fixing the all day events on the wrong day problem.
https://discussions.apple.com/message/16609517#16609517
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Is this what you're doing:
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Couldn't find this so started a new discussion, with the "fix" that Tech Support helped me figure out.
(Then I discovered I could find my discussions using "My Stuff" at the top of the page. LOL)
Here's a link to my new post with steps for fixing the all day events on the wrong day problem.
https://discussions.apple.com/message/16609517#16609517
Hope it helps.

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Hi,
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John M

Calendar birthdays off by one day

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