BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:2b87d79e-c76d-4737-823c-4c69a0a48233
DTSTAMP:20260424T122247Z
DTSTART;VALUE=DATE:20210505
SUMMARY:Day off (substituted from 05/08/2021) (China)
END:VEVENT
END:VCALENDAR