BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:668abbcf-a1ab-4657-895e-68f3964d90e0
DTSTAMP:20260425T072122Z
DTSTART;VALUE=DATE:20210510
SUMMARY:Day off (substituted from 05/15/2021) (Belarus)
END:VEVENT
END:VCALENDAR