BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:535dfd4b-598a-4fab-8187-366f3a65f431
DTSTAMP:20260422T223736Z
DTSTART;VALUE=DATE:20220502
SUMMARY:Day off (substituted from 05/01/2022) (Russie)
END:VEVENT
END:VCALENDAR