It doesn't matter. If the time is the same and the item is an exception you wouldn't find it using GetOccurrence() but you would find it using the Exceptions collection and the original start. Even if it hasn't changed it's still the original start. The appointment exposed there has an instance specific properties. "McKilty" <bluesbrthr@gmail.com> wrote in message news:89e46998-a2ec-42d0-b655-d33a24b3b287@f6g2000yqa.googlegroups.com...