BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:ab0b0f5e-9fce-45c9-b385-7b0022bafe9f
DTSTAMP:20260420T211246Z
DTSTART;VALUE=DATE:20230508
SUMMARY:Day off (substituted from 01/08/2023) (Russie)
END:VEVENT
END:VCALENDAR