BEGIN:VCALENDAR
PRODID:-//citadel.org//NONSGML Citadel calendar//EN
VERSION:2.0
BEGIN:VTIMEZONE
TZID:/citadel.org/20230525_1/PRC
TZID-ALIAS-OF:/citadel.org/20230525_1/Asia/Shanghai
LAST-MODIFIED:20230525T135641Z
X-LIC-LOCATION:PRC
BEGIN:STANDARD
TZNAME:CST
TZOFFSETFROM:+0800
TZOFFSETTO:+0800
DTSTART:19700101T000000
END:STANDARD
END:VTIMEZONE
END:VCALENDAR