BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:fb01c838-87e3-41d1-938c-c1d17735692b
DTSTAMP:20260430T082354Z
DTSTART;VALUE=DATE:20220510
SUMMARY:Day off (substituted from 01/02/2022) (Russia)
END:VEVENT
END:VCALENDAR