BEGIN:VCALENDAR VERSION:2.0 PRODID:ics BEGIN:VEVENT UID:61ad14d408bb7 DTSTART;TZID=Asia/Bangkok:20211012T162500 SEQUENCE:0 TRANSP:OPAQUE DTEND;TZID=Asia/Bangkok:20211112T162600 SUMMARY:Silent Period CLASS:PUBLIC DTSTAMP:20211205T193652Z END:VEVENT END:VCALENDAR