BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:261ea83b-1811-40e1-ac0d-df3d61e9247c
DTSTAMP:20260610T105712Z
DTSTART;VALUE=DATE:20200505
SUMMARY:Day off (substituted from 05/09/2020) (China)
END:VEVENT
END:VCALENDAR