BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:69cf12c9-e7ad-46ab-abe9-719bf28225dd
DTSTAMP:20260420T075011Z
DTSTART;VALUE=DATE:20210503
SUMMARY:Day off (substituted from 05/01/2021) (Rusia)
END:VEVENT
END:VCALENDAR