This was never a problem for me as my PC was usually off at 6am. I now use a
Windows Mobile 6.1 phone with ActiveSync and I use the phone as an alarm
clock. It is annoying to be woke up by a reminder at 6am, an hour before my
alarm goes off. I even get woken up on a weekend when I need a lie in!! For
some reason it never did this on my Windows Mobile 2003SE phone. I have a
lot of planned events in the future and am loathed to have to go through my
Calendar for the forseeable future to change my reminders from 18 hours to
0.5 day. Poor planning on a planning application but certainly not enough to
convert to Apple.