BEGIN:VCALENDAR
VERSION:2.0
BEGIN:VEVENT
SUMMARY:5 hours
DTSTART:20120601T150000
DURATION:PT5H
END:VEVENT
BEGIN:VEVENT
SUMMARY:5 hours
DTSTART:20120601T150000
DURATION:PT5H0M
END:VEVENT
BEGIN:VEVENT
SUMMARY:5 hours
DTSTART:20120601T150000
DURATION:PT5H0S
END:VEVENT
BEGIN:VEVENT
SUMMARY:5 hours
DTSTART:20120601T150000
DURATION:PT5H0M0S
END:VEVENT
BEGIN:VEVENT
SUMMARY:30 minutes
DTSTART:20120601T150000
DURATION:PT30M
END:VEVENT
BEGIN:VEVENT
SUMMARY:30 minutes
DTSTART:20120601T150000
DURATION:PT0H30M
END:VEVENT
BEGIN:VEVENT
SUMMARY:30 minutes
DTSTART:20120601T150000
DURATION:PT30M0S
END:VEVENT
BEGIN:VEVENT
SUMMARY:30 minutes
DTSTART:20120601T150000
DURATION:PT0H30M0S
END:VEVENT
BEGIN:VEVENT
SUMMARY:5 hours and 30 minutes
DTSTART:20120601T150000
DURATION:PT5H30M
END:VEVENT
BEGIN:VEVENT
SUMMARY:5 hours and 30 minutes
DTSTART:20120601T150000
DURATION:PT5H30M0S
END:VEVENT
BEGIN:VEVENT
SUMMARY:5 hours and 10 seconds
DTSTART:20120601T150000
DURATION:PT5H10S
END:VEVENT
BEGIN:VEVENT
SUMMARY:5 hours\, 30 minutes and 10 seconds
DTSTART:20120601T150000
DURATION:PT5H30M10S
END:VEVENT
END:VCALENDAR