I'm using Outlook 2007 to export the ICS file. Everything looks accurate when I open the ICS file in Outlook. But when I upload the file to our website where it is parsed by PHP iCalendar... many of the appointments are shifted by hours or even days, and some don't appear at all.
Site is: http://www.ci.sedro-woolley.wa.us/Home/iCalendar/week.php?cal=City_Calendar
Outlook 2007 ICS file