BEGIN:VCALENDAR PRODID:-//citadel.org//NONSGML Citadel calendar//EN VERSION:2.0 BEGIN:VTIMEZONE TZID:/citadel.org/20170826_1/Etc/GMT-9 LAST-MODIFIED:20170826T195802Z X-LIC-LOCATION:Etc/GMT-9 X-PROLEPTIC-TZNAME:+09 BEGIN:STANDARD TZNAME:+09 TZOFFSETFROM:+0900 TZOFFSETTO:+0900 DTSTART:16010101T000000 END:STANDARD END:VTIMEZONE END:VCALENDAR