Note The update that is described in KB article 2633952 changes Samoa Standard Time from UTC -11:00 to UTC +13.
To work around this issue, run the Outlook Time Zone Data Update Tool that is available in the following KB article:
To download the Outlook Time Zone Data Update Tool directly, click the following link as appropriate for your system:
Download the 32-bit version of the Time Zone Data Update Tool package now
Download the 64-bit version of the Time Zone Data Update Tool package now
Note This issue does not occur in Outlook 2003 or in Outlook 2007. Even though the appointment disappears from Calendar, there is no data loss, and you can still view the appointment. To do this, click View, click Change View, and then click List View. This issue does not affect meeting recurrences.