Single day all day appointments in .ics files

Question

I\'m creating an ics file using ASP.NET for importing holiday into Outlook 2007 and trying to set the all-day-event flag. This works fine on multi-day holidays, but for sing

Answer 1

The above comment RE: midnight the day after didn't work for me in Apple's iCal. To get around this, in each of the BEGIN:VEVENT sections, I have output the dates as follows:

DTSTART;VALUE=DATE:20100101
DTEND;VALUE=DATE:20100101

I don't know if you still need the Microsoft tags though?!