BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:ed99cb90-1be4-4417-ad88-addd2e20fe84
DTSTAMP:20260506T053146Z
DTSTART;VALUE=DATE:20211015
SUMMARY:Day off (substituted from 10/23/2021) (Ukraine)
END:VEVENT
END:VCALENDAR