BEGIN:VCALENDAR PRODID:-/Inverse inc.//NONSGML Olson 2012f//EN VERSION:2.0 BEGIN:VTIMEZONE TZID:Asia/Bangkok X-LIC-LOCATION:Asia/Bangkok BEGIN:STANDARD TZOFFSETFROM:+064204 TZOFFSETTO:+064204 TZNAME:BMT DTSTART:18800101T000000 RDATE:18800101T000000 END:STANDARD BEGIN:STANDARD TZOFFSETFROM:+064204 TZOFFSETTO:+0700 TZNAME:ICT DTSTART:19200401T000000 RDATE:19200401T000000 END:STANDARD END:VTIMEZONE END:VCALENDAR