WebCT's calendar export is in icalendar format. rfc2445
Location: COURSE_ddddddd_M/data/CAL_ddddddd.ics
For example:
BEGIN:VCALENDAR
BEGIN:VEVENT
DTSTART:20061207T100000
DTEND:20061207T113000
SUMMARY:Event1
ATTACH:http://www.jhu.edu
DESCRIPTION:test event1
UID:webct_test001-basic_1165492258_1_PUB@webctserver
X-WEBCT-ACCESS:PUBLIC
END:VEVENT
END:VCALENDAR
How it looks in WebCT?
How it looks in Sakai?