1BEGIN:VCALENDAR 2VERSION:2.0 3BEGIN:VEVENT 4SUMMARY:5 hours 5DTSTART:20120601T150000 6DURATION:PT5H 7END:VEVENT 8BEGIN:VEVENT 9SUMMARY:5 hours 10DTSTART:20120601T150000 11DURATION:PT5H0M 12END:VEVENT 13BEGIN:VEVENT 14SUMMARY:5 hours 15DTSTART:20120601T150000 16DURATION:PT5H0S 17END:VEVENT 18BEGIN:VEVENT 19SUMMARY:5 hours 20DTSTART:20120601T150000 21DURATION:PT5H0M0S 22END:VEVENT 23BEGIN:VEVENT 24SUMMARY:30 minutes 25DTSTART:20120601T150000 26DURATION:PT30M 27END:VEVENT 28BEGIN:VEVENT 29SUMMARY:30 minutes 30DTSTART:20120601T150000 31DURATION:PT0H30M 32END:VEVENT 33BEGIN:VEVENT 34SUMMARY:30 minutes 35DTSTART:20120601T150000 36DURATION:PT30M0S 37END:VEVENT 38BEGIN:VEVENT 39SUMMARY:30 minutes 40DTSTART:20120601T150000 41DURATION:PT0H30M0S 42END:VEVENT 43BEGIN:VEVENT 44SUMMARY:5 hours and 30 minutes 45DTSTART:20120601T150000 46DURATION:PT5H30M 47END:VEVENT 48BEGIN:VEVENT 49SUMMARY:5 hours and 30 minutes 50DTSTART:20120601T150000 51DURATION:PT5H30M0S 52END:VEVENT 53BEGIN:VEVENT 54SUMMARY:5 hours and 10 seconds 55DTSTART:20120601T150000 56DURATION:PT5H10S 57END:VEVENT 58BEGIN:VEVENT 59SUMMARY:5 hours\, 30 minutes and 10 seconds 60DTSTART:20120601T150000 61DURATION:PT5H30M10S 62END:VEVENT 63END:VCALENDAR 64