BEGIN:VCALENDAR VERSION:2.0 PRODID:ics BEGIN:VEVENT UID:61ad20b0917bf DTSTART;TZID=Asia/Bangkok:20210125T115200 SEQUENCE:0 TRANSP:OPAQUE DTEND;TZID=Asia/Bangkok:20210224T115400 SUMMARY:Silent Period CLASS:PUBLIC DTSTAMP:20211205T202728Z END:VEVENT END:VCALENDAR