Valid session with tzidout

http://calendarserver/gettime.wcap
               ?id=br6e8vx9ek02n2ow9
               &calid=jdoe
               &tzidout=America/Los_Angeles

BEGIN:VCALENDAR
PRODID:-//SunONE/Calendar Hosting Server//EN
VERSION:2.0
X-NSCP-WCAPTIME:20021021T082743
X-NSCP-WCAP-ERRNO:0
END:VCALENDAR