BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=Asia/Tokyo:20170524T180000 DTEND;TZID=Asia/Tokyo:20170524T210000 LOCATION: SUMMARY:INTER-IVY NETWORKING DESCRIPTION: METHOD:PUBLISH END:VEVENT END:VCALENDAR