Actually.. the first two I've downloaded appear to have the date / time wrong?

ATC-B302 has the description as June 3, 2013 from 4:00PM to 5:15PM, but the ICS has it on June 26th at 4.30am.  (Teched Europe dates probably?)

 

edit...

yup:

BEGIN:VCALENDAR
X-ORIGINAL-URL:/Events/TechEd/Europe/2013/ATC-B302
VERSION:2.0
METHOD:PUBLISH