BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:9f0cdc99-3fce-4392-9c8d-8d56790a07be
DTSTAMP:20260420T203051Z
DTSTART;VALUE=DATE:20220510
SUMMARY:Day off (substituted from 01/02/2022) (Russie)
END:VEVENT
END:VCALENDAR