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iTunes for Windows: Issues with syncing all-day events after updating to iTunes 9.1

Symptoms

When syncing All-Day events from an iPhone, iPad, or iPod touch to Outlook, some events may be spanned over two days in the Outlook calendar. When syncing events from Outlook to an iPhone, iPad, or iPod touch, events might appear moved by one day on the device. This occurs after updating to iTunes 9.1.

Resolution

iTunes 9.1.1 addresses this issue for new All-Day calendar events. Older events that are affected may not be fixed by the update and may require you to manually update them. See below for detailed instructions.

Verify the events synced to your device. If the issue persists, continue with the steps below:

  1. Back up your data.
    • Connect your iPhone, iPad or iPod touch to your computer, open iTunes, and create a backup of the device and of the Outlook content. For information about iPhone and iPod touch
    • backups see this document. For information about iPad backups click here.
    • Backing up Outlook content is described in this Microsoft article.
  2. Download and install the latest version of iTunes.
  3. Check the time zone settings on your Windows operating system.
    • Windows Vista and Windows 7:
      • Choose Start > Control Panel > Clock, Language, and Region > Date and Time > Change Time Zone.
    • Windows XP:
      • Double-click the clock in the Taskbar. The "Date and Time Properties" window will open.
      • To verify or adjust the time zone, click the Time Zone tab and then select your time zone.
  4. Confirm the time zone setting in Outlook is the same as your operating system's. To do this, use the steps in the following articles for your version of Windows and Outlook:

    Note: You can change the time zone on either Windows or Outlook. Changing the time zone setting in Outlook  will change the time zone on the Windows system accordingly and vice versa.

  5. Connect your iPhone, iPad, or iPod touch to iTunes and sync it with your Outlook calendars.
    • If all events are synced in Outlook and your device, but some events are duplicated:
      You will need to manually delete these duplicated events from either your device or the Outlook calendar. Then, sync your device with iTunes again.

    • If you find that events span two days rather than one day:
      You will need to modify all affected calendar events in Outlook so that these show as just one day. Then save and apply the change in your Outlook calendar:

      1. Double-click the event and adjust the date and time settings of the event as needed.
      2. Save the changes.
      3. Repeat the steps for each calendar you sync with iPhone, iPad, or iPod touch.
      4. Sync your device with iTunes again.
    • If All-Day events don't show as All-Day events (now have a start and end time):
      You will need to apply the All-Day setting to all affected calendar event(s) in Outlook:

      1. Select the event and double-click it to open the event details.
      2. Locate the date and time setting of the event and adjust the date.
      3. Locate the All-Day event box and enable it. See the picture below to locate the All-Day event box.

        Picture of Outlook event - All-day event tick box highlighted

      4. Save the changes.
      5. Repeat the steps for each calendar you sync with iPhone, iPad, or iPod touch.
      6. Sync your device with iTunes again and verify the results.

    Note: Should the issue persist, you might need to continue troubleshooting with steps in the following articles.

Learn more

Further information about Daylight Saving Time and Microsoft products might be found in the Microsoft Daylight Saving Time Help and Support Center.

Outlook offers customized Viewing Options for Calendar events to help locate events. In Outlook, choose View > Current View > Events to display a list of all events. This will display the list in Outlook shown below that allows you to sort events by different criteria to make it easier to locate affected events.

Picture of Outlook menu View > Current View > Events with events listed

Choosing View > Current View > Day/Week/Month reverts to the normal view:

Picture of Outlook menu View > CurrentView > Day/Week/Month with monthly view

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Last Modified: Jul 14, 2014
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  • Last Modified: Jul 14, 2014
  • Article: TS3324
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