BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:db07bcc5-1ada-46e4-9896-bc7f7dd0956b
DTSTAMP:20260420T213227Z
DTSTART;VALUE=DATE:20251231
SUMMARY:Day off (substituted from 01/05/2025) (Russie)
END:VEVENT
END:VCALENDAR