Some, ONE calendar appointment from outlook time wrong

[justpctech]

i seem to recall this possibly being an issue after the time change in 2007: if you didnt update your Outlook or your desktop properly, then it might give you problems with appointments. maybe this particular appointment didnt get updated properly. do you remember running the DST update last year? might find more info at the following link:
http://support.microsoft.com/gp/cp_dst