BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:a797d626-5c6d-498f-b65f-490a8c65d7d9
DTSTAMP:20260422T051747Z
DTSTART;VALUE=DATE:20251231
SUMMARY:Day off (substituted from 01/05/2025) (Russia)
END:VEVENT
END:VCALENDAR